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Tutorial

3D Visualization of the Optical System

VirtualLab Fusion provides tools which generate a 3D visualization of optical systems and can therefore be used to check the positioning of elements...

Use Case

7x7 Beam Splitter in 2f Setup with a VCSEL Source

Physical optics enables the access to any kind of light information in the desired image plane.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Aberration Effects of a Spherical Wave at the Focal Spot

Different types of wavefront aberrations are selected exemplarily, and the resulting focal spots are investigated for varying strength of the aberrations.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Aberration Effects on Focused Modes from a Fiber Source

In this use case we demonstrate how the shape of a set of modes generated by either a step- or graded-index fiber.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Absorption in a CIGS Solar Cell

A solar cell based on copper indium gallium selenide (CIGS) is simulated, and the absorption in the CIGS layer calculated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Look & Feel

Add Point Cloud to Data Array

This demonstration illustrates how to merge 2D gridded data (color maps) with gridless data (point clouds) to enhance visualization and analysis.

Tutorial

Add Point Cloud to Data Arrays

This tutorial shows how to overlay a point cloud (e.g. a dot diagram) onto another result document (e.g. an electromagnetic field result).

Tutorial

Add Region to Data Arrays

Graphics Add-Ons are a tool inside VirtualLab Fusion that allows the overlay of information, such as regions, onto a Data Array.

Tutorial

Advanced Configuration of Slanted Gratings

Coated slanted gratings can be configured easily within VirtualLab. This tutorial explains the available options for the customization of slanted gratings.

Use Case

Advanced PSF & MTF Calculation for System with Rectangular Aperture

By placing a rotated rectangular aperture behind input fields with different sizes, the PSF and MTF in the focal plane are investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Advanced PSF Calculation in a High-NA Lens System

When a linearly polarized Gaussian beam is focused by a high-NA aspheric lens, the PSF in focal plane shows asymmetry due to vectorial effects.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Advanced PSF and MTF Calculation of Imaging System

An imaging system consisting of a collimation objective and human eye is modeled, and by changing the illumination conditions, the cases with fully and partially illuminated apertures are investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Advanced Simulation of Microlens Arrays

This tutorial explains the configuration and usage of the Microlens Array component in VirtualLab Fusion.

Use Case

Afocal Systems for Laser Guide Stars

Within VirtualLab Fusion, we demonstrate the analyze afocal systems for the generation of laser guide stars, and further optimize the system to control the size of the artificial stars.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Analysis and Design of Highly Efficient Polarization Independent Transmission Gratings

We demonstrate how to analyze the polarization-dependent property of binary gratings rigorously, also to optimize the binary structures...
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Analysis of Blazed Grating by Fourier Modal Method

The Fourier modal method (FMM) can be used to analyze grating efficiencies rigorously in VirtualLab Fusion.

Use Case

Analysis of CMOS Sensors with Microlens Array

Using the rigorous FMM/RCWA, we simulate a CMOS sensor with pixel size equal to or below 2µm, and the influence of diffraction effects at such a small...
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Analysis of Focal Plane Position as a Function of Numerical Aperture

We analyze how varying different parameters of the system can affect the position of the focal plane.

Use Case

Analysis of Folded Imaging System with Multiple Apertures

For a folded waveguide-based imaging system, the multiple apertures effect, including in- and outcoupling gratings and pupil aperture, is shown to affect the PSF and MTF on image plane.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Analysis of Folded Imaging System with Planar or Curved Waveguide

To evaluate the image quality of a near-to-eye display system, it is important to include the influence from the waveguide structure. In this example, both planar and curved waveguide are investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package

Use Case

Analysis of Off-Axis Imaging by a High-NA Microscope

It is demonstrated that the PSF is distorted due to the aberration caused by off-axis imaging.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Analysis of PSF of a Dipole Source by a High-NA Microscopy System

It is demonstrated that the PSFs have different shapes when the orientation of the dipole source changes.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Analysis of Slanted Gratings for Lightguide Coupling

Different slanted grating geometries are selected from literature, with varying slant angle, fill factor, and modulation depth, and the diffraction efficiencies are calculated with the Fourier modal method (FMM).
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Analysis of an Offner System with Non-Sequential Field Tracing

An Offner system that consists of two concentric spherical mirrors is built up and its imaging property is investigated by using the non-sequential field tracing in VirtualLab.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Analyzing High-NA Objective Lens Focusing

High-NA objective lenses are widely used in optical lithography, microscopy, etc. Consideration of the vectorial nature of light in the simulation of the focusing is of great importance.

Use Case

Angular-Filtering Volume Gratings for Suppressing Higher Diffraction Orders

We construct an angular-filtering volume grating and apply it in a system to suppress the undesired higher diffraction orders from a beam splitting DOE.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Animation Generation from Chromatic Fields Sets in Parameter Run

This tutorial demonstrates how easy it is to convert a set of chromatic fields sets into an animation from a parameter run.

Tutorial

Application of the Programmable Mode of a Parameter Run

In VirtualLab, the variation of parameters in an optical system is freely customizable using the programmable mode of the Parameter Run feature. We use a specific example to illustrate the application of this programmable mode.

Assistant

Automatic Export of Simulation Results via Add-on

One option of the many detector add-on possibilities is the automatic export of the result data.

Tutorial

Automatic Selection of Fourier Transform Techniques in Free-Space Propagation Operator

VirtualLab Fusion provides a unified free-space propagation concept in the k-domain, together with automatic selection of proper Fourier transform techniques.

Tutorial

Automatized Detector Positioning by using Parameter Coupling​

We demonstrate how the Parameter Coupling feature of VirtualLab Fusion can be applied in order to automatized positioning of a detector...

Assistant

Balance Speed versus Accuracy

Learn how to balance accuracy and modeling speed with the Speed vs. Accuracy configuration tool.

Use Case

Beam Splitter Cube

This use case demonstrates two examples for a real beam splitter component – one polarizing and one non-polarizing. (optical design setup)
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Bessel Beam Generation behind a Fiber with a Holographic Optical Element

We use a HOE that combines the lens and axicon function to generate Bessel beam from the output of a single-mode fiber.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Flat Lens Package Flat Lens Package
Grating Package Grating Package

Use Case

Birefringence Effect of Anisotropic Calcite Crystal

Have a look at the simulation of birefringence in VirtualLab Fusion and investigates the dependence of the effect on input polarization and crystal thickness.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Catadioptric Imaging System Based on Pancake Lenses

This use case analyzes the performance a folded imaging system by investigating the polarization state changes throughout the system...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Channel Configuration

Tutorial

Channel Resolution Accuracy Setting of Non-Sequential Field Tracing

Non-sequential field tracing is done with two steps in VirtualLab Fusion. Firstly, according to an adjustable accuracy factor, the light path through the system is detected. This light path finding can be controlled by the corresponding accuracy factor.

Tutorial

Channel Settings for Non-Sequential Tracing

With the flexible channel configuration in VirtualLab Fusion, one can easily control the response of any surface and/or region, to realize the desired model

Use Case

Chromatic Aberration Correction by an Idealized Diffractive Lens in a Hybrid Eyepiece Model

A hybrid eyepiece with an idealized diffractive lens surface for correcting chromatic aberration is imported from OpticStudio® and analyzed in detail.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Flat Lens Package Flat Lens Package
Grating Package Grating Package

Use Case

Chromatic Effect Analysis in Fluorescent Microscopy

By taking a fluorescent microscope as example, we analyze the chromatic effect for the high-NA objective lens, at the emitting wavelength and illumination wavelength, respectively.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Circularly Serrated Aperture for Beam Apodization

Beam apodization plays a key role in the design of high-energy lasers and beam-delivery systems.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Coherence Measurement Using Michelson Interferometer and Fourier Transform Spectroscopy

It is demonstrated that the fringe contrast in a Michelson interferometer with a light source of certain bandwidth varies when the optical path difference changes.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Coherence Measurement with White-Light Interferometry – Analysis Using Distributed Computing in VirtualLab Fusion

To speed up your optical design process, the coherence measurement is performed using distributed computing in VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Distributed Computing Distributed Computing

Tutorial

Coherence Time & Length Calculator

The Coherence Time and Length Calculator easily determines the coherence time and length for a given source with a specified bandwidth...

Use Case

Collimation Testing with Shearing Interferometry

We show how to build up a shearing interferometer for the testing of laser beam collimation. By changing the collimation lens system, we observe the change in the interference fringes.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Collimation of Astigmatic Diode Laser Beam by Objective Lens

High-power laser diodes often exhibit asymmetric divergence and astigmatism. Collimation of such a laser diode is investigated with both ray tracing and field tracing.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Comparison of Different Lenses for Fiber Coupling

For the task of coupling light into a single-mode fiber, two commercially available lenses are selected, and their performance are evaluated by using the overlap integral.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Complementary Interference Pattern in a Mach-Zehnder Interferometer

A Mach-Zehnder interferometer with a coherent laser source is build up in VirtualLab Fusion and analyzed by using the non-sequential Field Tracing.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Complex Lightguide System with a 2D Eye Pupil Expansion and Human Eye Model

A complex lightguide system, including a 2D-periodic exit pupil expander in combination with slanted gratings in the outcoupler, is presented. PSF and MTF as well as lateral uniformity are evaluated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package
Grating Package Grating Package

Assistant

Component - Solvers

The configuration of parameters of solvers and functions for different components can be done in a user-friendly way using the profile editor.

Use Case

Components, Solvers and Fourier Domains – Plane Surface

Both Fourier domains (space and spatial frequency) can be used as the domain of implementation for solvers in VirtualLab Fusion. We discuss the implications and analyze the plane surface as a special case.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Compound Refractive Lens for X-Ray Focusing

Compound refractive lenses, which consists of tens or hundreds of individual cylindrical lenses, are used to focus x-ray fields one- and two-dimensionally.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Configuration of FMM

The FMM/RCWA solver is a Eigenmode solver in the spatial frequency domain (k domain) used among others in the Grating component.

Tutorial

Configuration of Grating Structures by Using Interfaces

In VirtualLab Fusion, grating structures are configured in a “stack”, which can be constructed with either a sequence of interfaces or special media, depending on the geometry of the grating.  

Tutorial

Configuration of Grating Structures by Using Special Media

In the VirtualLab’s Grating Software Package grating structures can be configured by using a stack.

Tutorial

Configuration of Grating Structures with Two-Dimensional Periodicity

This tutorial is focused on the configuration of grating structures which exhibit two-dimensional periodicity.

Assistant

Configuration of off-axis parabolic mirror

Tutorial

Configuring Your Simulation in VirtualLab Fusion

This tutorial gives an overview of the different options and tools a user has access to when working with an Optical Setup file.

Use Case

Conical Refraction in Biaxial Crystals

The conical refraction from a KGd crystal is demonstrated with the fast-physical-optics simulation technology in VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Construction and Modeling of a Graded-Index Lens

VirtualLab Fusion allows for the specification of a graded-index lens in a very user-friendly way. In addition, such index-modulated lenses can be analyzed by ray tracing as well as by field tracing.

Tutorial

Construction of a Light Guide

Light guides with coupling gratings can be set up in VirtualLab Fusion using the Light Guide component and its flexible region definition.

Tutorial

Construction of a Truncated Pyramid Surface

This tutorial shows how to construct a pyramid-like surface by using the programmable surface in VirtualLab Fusion.

Tutorial

Coupling of Parameters in VirtualLab Fusion

The Parameter Coupling feature of VirtualLab Fusion can be used to link the values of different parameters in an optical setup, which allows the user to establish complex relationships between these parameters. ​

Tutorial

Creating 1D-Diagrams in VirtualLab Fusion

In this use case, VirtualLab Fusion’s visualization capability is illustrated. All users with various backgrounds may configure visualization setting on the GUI level.

Tutorial

Cross-Platform Optical Modeling and Design with VirtualLab Fusion and MATLAB

We demonstrate how to use MATLAB to access the field solvers in VirtualLab Fusion, and use them together with MATLAB functions for analysis and optimization.

Tutorial

Cross-Platform Parameter Sweep with Python

We demonstrate how to use Python to run a parameter sweep for a simulation in VirtualLab Fusion.

Tutorial

Customizable Help for Programmable Elements

VirtualLab provides multiple tools to implement your custom sources, components, detectors etc. For documentation of such customized object the snippet help can be used.

Use Case

Customize Optical Trees Suitable to your Workflows

VirtualLab Fusion provides a wide array of solutions for diverse applications, offering numerous sources, components, and detectors in the Optical Setup.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Customized Detector for Lightguide Coupling Grating Evaluation

We present a customized detector which calculates the grating diffraction efficiencies over a user-defined incident-angle range, and also delivers the mean value and contrast of the efficiencies.

Tutorial

Customized Module: Grating Period Calculation According to the Guiding Condition of Lightguides

A module in VirtualLab Fusion is generated to calculate the range of the period of a coupling grating, so as to fulfill the guiding condition of lightguides.

Use Case

Czerny-Turner Setup

The Czerny-Turner setup – a famous historical example of a monochromator – is demonstrated in this use case, including an further application.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Assistant

Data Arrays

This assistant entry introduces the various data arrays and their associated views available in VirtualLab Fusion.

Use Case

Demonstrating the Working Principle of Flash LiDAR

A flash LiDAR system, consisting of array of sources, collimation lens system, and diffractive grating, is constructed and its working principle is shown in both the spatial and the spatial frequency domains.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Demonstration of Abbe's Theory of Image Formation

We build up an imaging system, use metal-grid gratings as the test objects, and demonstrate Abbe’s theory on image formation with VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Demonstration of the Functional Principle of a Dot Projector

This Use Cases shows the working principle of a dot projector, including a comparision between an idealized and real design of a diffractive beam splitter.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Demonstration of van Cittert-Zernike Theorem

In this document, we investigate the interference of Yong’s double-slit setup with an extended, partially coherent source, and demonstrated the van Cittert-Zernike theorem.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Design & Analysis of Diffractive Splitter Generating a Light Mark

This use case demonstrates VirtualLab Fusions's capabilities to design and analyze a system with a diffractive beam splitter used to generate a light mark.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Diffractive Optics Package Diffractive Optics Package

Use Case

Design & Analysis of System with Diffractive Light Diffuser Generating the LightTrans Logo

This use case demonstrates that VirtualLab Fusion can efficiently be used for the design, optimization, modeling and simulation of a diffractive....
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Design and Analysis of Intraocular Diffractive Lens

We show the import of an intraocular diffractive lens design (Zemax OpticStudio®) into VirtualLab Fusion and optimize the structure for better performance.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Flat Lens Package Flat Lens Package
Grating Package Grating Package

Use Case

Design and Analysis of a 3x3 Beam Splitter

A phase-only transmission function is designed using the iterative Fourier transform algorithm. As an additional step, a phase-only transmission is designed without any phase dislocations.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Design and Analysis of a Metalens

In this use case, a focusing metalens based on dielectric, cylindrical pillars is designed and analyzed in detail. The parameters used..
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Design and Rigorous Analysis of Non-Paraxial Diffractive Beam Splitter

The Fourier Modal Method (FMM) is applied for the rigorous evaluation of a non-paraxial diffractive beam splitter.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Diffractive Optics Package Diffractive Optics Package
Grating Package Grating Package

Use Case

Design of 2D Non-Paraxial Beam-Splitting Metagrating

We design a 2D metagrating for beam splitting. The metagrating is constructed, analyzed, and further optimized in VirtualLab Fusion, especially in terms of the uniformity of the diffraction efficiencies.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Design of a Refractive Beam Shaper to Generate a Circular Top-Hat

With the user-friendly design tools in VirtualLab, a refractive beam shaper for shaping a fundamental Gaussian beam into top-hat profile is designed and analyzed.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Diffractive Optics Package Diffractive Optics Package

Assistant

Detector Add-Ons

The detector add-ons technology enables the user to conduct various post-processing evaluations simultaneously based on the electromagnetic field data.

Assistant

Detector Field Quantities

Assistant

Detector Gridless Data

In VirtualLab Fusion, the propagation of a field through space or another homogeneous medium is evaluated in the k-domain.

Assistant

Detector Window

Tutorial

Diffraction Angle Calculator

The Diffraction Angle Calculator of VirtualLab Fusion is a convenient tool for calculations involving the grating equation...

Use Case

Diffraction Efficiency Analysis for a Czerny-Turner Setup

A physical-optics-based simulation of Czerny-Turner setup, which consists of parabolic mirrors and blazed grating, is presented.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Diffraction Pattern Calculation from a Reflection-Type Diffractive Beam Splitter

This use case demonstrates how the diffracted pattern changes when the reflection-type beam splitter (designed for normal incidence) rotates.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Diffraction Patterns behind Different Apertures

With the advanced propagation technology in VirtualLab Fusion, we calculate the diffraction patterns for apertures with different shapes and study the property of diffraction.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Diffraction Property of a Passive Parity-Time Grating

We construct a passive parity-time grating and analyze its diffraction property with respect to selected grating parameters and the polarization of light.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Diffraction from the Aperture in a Microscopy System

It is demonstrated that the energy densities at the tube lens and at the image plane are influenced by the diffraction of the aperture in the microscopy system.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Diffractive Lens Component

This Use Case introduces the Diffractive Lens Component and gives an overview about its options, settings, and computation method.

Tutorial

Diffractive Optical Element & Microstructure Component

This Use Case introduces the Microstructure and Diffractive Optical Element (DOE) components and gives an overview over their options and settings.​

Tutorial

Distortion Analyzer

This tutorial introduces the Distortion Analyzer in the optical design software VirtualLab Fusion, illustrated with the example of a spherical lens.

Use Case

Double-Helix PSF for 3D Imaging Microscopy

It is demonstrated that the double helix PSF rotates when there is only a small defocus of the object point.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Educational Tutorial: Fabry-Pérot Interferometer

This tutorial offers a beginner-friendly, step-by-step introduction to VirtualLab Fusion, requiring no prior knowledge of the software.

Use Case

Effects of Mirror Coating on Pulse Characteristics

We demonstrate the effect of different mirror coatings on the characteristics of ultrashort pulses like peak value and pulse duration.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Electromagnetic Field Detector

With the Electromagnetic Field Detector the user can access the fully vectorial electromagnetic field at any given plane in the system. We explain here how to handle this detector.

Use Case

Electromagnetic Field Interaction with Nanocylinders

With the perfectly matched layers (PMLs) technique, the interaction between a focused Gaussian beam and nanocylinders with varying diameters is investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Ellipsometry Analysis via Parameter Variation Analyzer

This tutorial demonstrates the use of the Parameter Variation Analyzer to calculate important properties from ellipsometric analyses.

Tutorial

Ellipsometry Analyzer

This use case demonstrates the basic principles of ellipsometry and illustrates the use of the built-in ellipsometry analyzer in VirtualLab Fusion.

Tutorial

Export Harmonic Fields Sets into ASCII Files

This document shows a programmable module that can export any kind of Harmonic Fields Set into ASCII files.

Tutorial

Export Systems and Components into STL & IGES Format

VirtualLab Fusion supports the export of optical components specified in the system into various CAD formats. This includes for example the export of lenses, prisms, mirror systems and other components into STL and in IGES format.

Tutorial

Export of Fabrication Data

VirtualLab Fusion can export smooth and quantized interfaces, as well as mirror/prism/grating cells arrays into various file formats, e.g., STL and GDSII file format.

Tutorial

Export of Fabrication Data for Smooth Surfaces

VirtualLab Fusion can export smooth surfaces into various file formats, e.g., STL and other customized formats.

Tutorial

Export of Fabrication Data of a Holographic Optical Element (HOE)

VirtualLab Fusion can export quantized HOE structure into various file formats. It is possible to export the files by a pixelized or polygon approach.

Tutorial

Export of GCA Data via Bitmap

Useful Items...Target Pattenradial distortion < 3°relative illumination 70%MTF @ 125 lp/mm >60%{9D7B26C5-4107-4FEC-AEDC-1716B250A1EF}radial distortion< 3°relative illumination> 70%MTF @ 125 lp/mm> 60%power efficiencyTBD

Use Case

Export of Results of a Parameter Run

In this document, the export of data from a Parameter Run document is shown. A C# module is used to save the energy density distribution and ...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Extend Zoom Window

Use Case

FTIR in a Cube Beam Splitter

A real beam splitter based on Frustrated Total Internal Reflection (FTIR) is investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Femtosecond Pulse Propagation through Dispersive Seawater

The propagation of a 5-fs pulse through seawater is studied in VirtualLab Fusion. The broadening of the pulse and the change in its temporal profile due to dispersion of the material are shown.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Few-Mode Fiber Coupling under Atmospheric Turbulence

In this use case, we reproduce the experiments of Zheng et al. [Opt. Express 24 (2016)] to explore the atmospheric turbulence effects on the coupling efficiency between the free-space optical beam and few-mode fibers.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Field Curvature Analyzer

The field curvature describes the difference between the designed focal plane and the actual focal curve of an objective (lens).

Tutorial

Field Inside Component Analyzer: FMM

This example demonstrate, how to calculate the distribution of the electromagnetic field inside a 1D or 2D-periodic micro- or nano structure.

Use Case

Fizeau Interferometer for Optical Testing

A Fizeau interferometer is set up with the help of non-sequential field tracing technology, and the interference fringes from several different test surfaces are shown.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Technical Insight

Flat Lenses

Tutorial

Flexible Region Definition

This tutorial walks you through the flexible configuration of regions in VirtualLab Fusion, which allow the user to define variously shapes...

Use Case

Focus Investigation behind Aspherical Lens

A laser diode with asymmetric divergence and astigmatism is first collimated and then focused. Evolution of the field in the focal region is investigated in detail.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Focusing Electromagnetic Fields with Cascaded Circular Apertures

We demonstrate in VirtualLab Fusion the focusing of electromagnetic fields with properly designed apertures.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Focusing of Cylindrical Vector Beams by a High-NA Objective Lens

It is demonstrated that the focusing of cylindrical vector beams. The vectorial effects of radially and azimuthally beams are demonstrated.
Learn more
Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Focusing of Femtosecond Pulse by Using a High-NA Off-Axis Parabolic Mirror

The focusing process of a 10-fs pulse by using a high-NA parabolic mirror is modeled and both the spatial and temporal behaviors are investigated...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Focusing of Gaussian-Laguerre Beam for STED Microscopy

It is demonstrated that the focusing of high order Gaussian-Laguerre beam generates donut-shaped PSF. The size of donut-shaped PSF can be adjusted by different high orders.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Focusing of an Ince-Gaussian Beam

This use case shows the focusing of an Ince-Gaussian mode through a GRIN medium representing a thermal lens.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Focussing through a Luneburg Lens with a Tilted Plane Wave

In this Use Case we demonstrate a propagation of a Plane Wave through a Luneburg lens.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Footprint Analysis of Lightguides for AR/MR Applications

The Footprint and Grating Analysis tool allows the optical designer to determine how the light will interact with the various grating regions of the lightguide.

Tutorial

Fourier Transform Settings – Discussion at Examples

As one of the most fundamental technologies in VirtualLab Fusion, Fourier transforms connect the space and spatial frequency domains. We discuss the Fourier transforms settings at different examples and show the consequences.

Tutorial

Fourier Transforms in Immersion Objective System

In this demo, we illustrate the Fourier Transforms in an immersion objective system by using stratified media component.

Assistant

Free Space Propagation

Tutorial

Free Space Propagation Settings

This tutorial presents the different options users have in VirtualLab Fusion to configure the selection of Fourier transform algorithms.

Tutorial

Fresnel Curves on a Plane Surface

The Fresnel Effect Calculator to calculate the Fresnel coefficients directly.

Use Case

Functional Coatings

This Use Case introduces the functional coatings for optical design, which allow for the generation of idealized coatings...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Gaussian Beam Focused by a Thermal Lens

This use case shows the variation of the focal length of the thermal lens, as well as the focus beam diameter when the input power changes [W. Koechner, Appl. Opt. 9, 2548–2553 (1970)]. This example is published in [H. Zhong, J. Opt. Soc. Am. A 35].
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

General Manipulation Tools for Data Arrays

This Tutorial introduces and demonstrates the general tools to manipulate Data Arrays to e.g., perform arithmetic manipulations or change parameters...

Assistant

General Modeling Profile

In modeling the user can easily switch between the Ray Result Profile and the General Profile.

Use Case

Generation of Optical Beams Carrying Orbital Angular Momentum (OAM)

We demonstrate the generation of optical beams carrying OAM by using spiral phase plates with different parameters.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Generation of Spatially Varying Polarization by Interference with Polarized Light

With a Mach-Zehnder interferometer setup with two rotatable polarizers, we demonstrate the generation of spatially varying polarization.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Generation of Vector Beam by a Sagnac-Like Interferometer

Following the idea of T. Wang et al., Appl. Phys. B 122:231 (2016), this use case demonstrates a Sagnac-interferometer scheme to generate vector beam.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Graphic Add-Ons

Graphics Add-Ons are a tool inside VirtualLab Fusion that allows you to overlay information, such as point clouds.

Assistant

Graphics Add-ons

Graphics add-ons gives result windows more graphical information. We show the different view options for point clouds, regions and polarization ellipses.

Tutorial

Grating Analysis and Smoothly Modulated Grating Parameters on Lightguides

In this tutorial, smoothly varied grating parameters are introduced to lightguides for AR/MR applications, by using Grating Analysis Tool.

Use Case

Grating Component for General Optical Systems

This use case introduces the Grating Component in general optical setups, which allows for the inclusion of a wide range of different gratings.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Grating Optimization in VirtualLab Fusion Using optiSLang

A workflow is presented for how to optimize a grating structure regarding a specified merit function using VirtualLab Fusion and the optimization software optiSLang.

Tutorial

Grating Order Analyzer

In VirtualLab Fusion, the Grating Order Analyzer can be used for convenient grating diffraction analysis, with results presented in various ways.

Assistant

Grating Orders in Lightguides

In VirtualLab Fusion it is possible to manually configure which grating orders will be traced further in a simulation.
How to strecht gratings for ultrashort pulses in an optical design software

Use Case

Grating Stretcher for Ultrashort Pulses

We set up a pulse stretcher consisting of two diffractive gratings and investigate the pulse broadening effect induced by the interaction of the pulse with the gratings.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Grazing-Incidence Focusing Mirrors for X-Ray Beams

Kirkpatrick-Baez (KB) mirrors focus the grazing-incident X-ray field into a nanometer-scale spot. In this use case the modeling and evaluation of such KB mirror system is demonstrated.  
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Hartmann Wavefront Sensor for X-Ray Optics

In this use case we model the propagation of an X-ray field through a Hartmann wavefront sensor composed by an array of pinholes.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

High-NA Beam Splitter Optimization with User-Defined Merit Functions

We demonstrates the usage of user-defined merit functions for the evaluation and optimization of order efficiencies of a diffractive high-NA beam splitter.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

High-NA Focusing by Off-Axis Parabolic Mirror

In high-NA focusing situations, e.g. with parabolic mirror, it is demonstrated that input fields with different polarizations leads to different focal spots.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

High-NA Pattern Generation by Combining Two Beam Splitter Elements

A two diffractive beam splitter system for high-NA pattern generation is designed with IFTA, and the system performance is investigated, especially with the non-paraxial splitter analyzed by using FMM.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Higher Modes in Laser Resonators

This demonstration shows the capabilities of VirtualLab Fusion to calculate higher resonator modes together with their corresponding Eigenvalues.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Laser Resonator Package Laser Resonator Package

Tutorial

Holographically Generated Volume Grating

A holographic volume grating is analyzed by using the Fourier modal method. Both the spectral and angular properties are presented.

Tutorial

How to Configure Ultrashort Pulse Simulations

A workflow for specifying, modeling, and analyzing ultrashort pulses within VirtualLab Fusion.

Tutorial

How to Customize the Position of Source Modes Via Programming and Example (Along a Line)

Using laterally shifted modes is one possible strategy to mimic partial spatial coherence. In this tutorial we show you how to manipulate the positions of the source modes via programming.

Tutorial

How to Format VirtualLab Fusion Results

This tutorial demonstrate how to customize and format a detector result according to personal favor or specific requirements of a report or publication.

Tutorial

How to Set Up a Lightguide with Real Grating Structures

You learn how to import a previously designed real grating structure into the lightguide component and explains the role and handling of lookup tables.

Tutorial

How to Set Up a Panel-Type Source

With the panel-type source in VirtualLab it is possible to model a pixelated display, with the pixel pitch and the number of pixels as free parameters for the user to fix.

Tutorial

How to Set Up a Scanning Source

The scanning source in VirtualLab Fusion defines a multi-mode source that radiates into several pre-defined directions, which is of help for e.g. the modeling and evaluation of a laser scanning system.

Tutorial

How to Work with the C# Module and Example (Computing the Deviation Between Two Fields)

In this tutorial we explain the basics of working with the C# Module: one of the most flexible, most advanced programmable items in VirtualLab Fusion!

Tutorial

How to Work with the Programmable Component and Example (Ideal Grating)

The Programmable Component is one of the most versatile programmable elements in VirtualLab. Follow this tutorial for instructions on a first contact with this feature!

Tutorial

How to Work with the Programmable Detector and Example (Minimum and Maximum Wavelengths)

In this tutorial we show how to work with the Programmable Detector, one of the most versatile customizable elements in VirtualLab Fusion.

Tutorial

How to Work with the Programmable Function & Example (Cylindrical Lens)

In this document we explain how to work with the Programmable Function, using the example of a cylindrical lens.

Tutorial

How to Work with the Programmable Interface & Example (Spherical Surface)

In this document we explain how to work with the Programmable Interface, using the example of a simple spherical surface.

Tutorial

How to Work with the Programmable Light Source in VirtualLab Fusion and Example (Gaussian Beam)

In this document we show you how to work with the Programmable Source: a means to define the spatial dependence of a custom basic source mode. We use the Gaussian as an example.

Tutorial

How to Work with the Programmable Material and Example (Linear Dependence)

In this detailed tutorial we explain how to create your own custom materials (refractive index with respect to wavelength) in VirtualLab Fusion.

Tutorial

How to Work with the Programmable Medium and Example (Thermal Lens)

In this detailed tutorial we explain how to create your own custom media (dependence of refractive index on position) in VirtualLab Fusion.

Tutorial

How to Work with the Programmable Spectrum and Example (Black-Body Radiation)

Discover how to create your own custom spectra via programming in VirtualLab Fusion with this in-depth tutorial on the topic, rounded up with a basic hands-on example.

Use Case

Imaging of Grating Patterns Positioned on Each Side of a Wafer

Its flexible detection concept then enables light recombination at the detector, allowing for automatic calculation of radiometric quantities...
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Imaging of Sub-Wavelength Gratings by Using Vector Beam Illumination

A high-NA microscope for imaging of sub-wavelength grating is build up, and the influences from illumination with linear, radial, and azimuthal polarizations is investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Import Beam Files from Zemax OpticStudio

VirtualLab Fusion can import the beam files from Zemax OpticStudio®, convert it into electromagnetic field information automatically, and support further propagation of the imported field.

Use Case

Import Images into VirtualLab Fusion

This Use Cases demonstrates the import tool for any kind of picture into VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Import Optical Systems from Zemax OpticStudio

VirtualLab Fusion allows the import of optical systems with the full 3D position information and glasses from Zemax OpticStudio®, and provides field tracing for further investigation of the imported system.

Use Case

Import Text Files into VirtualLab Fusion

This Use Case demonstrates the tool to import 2D, 1D or gridless data arrays from TXT-files into VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Import and Export of Chromatic Fields Sets

Chromatic fields set are standard documents to show a light distribution in VirtualLab Fusion. This use case demonstrates the options for import and export chromatic fields sets.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Import of Bitmap file containing Height Data of a Microstructure into VirtualLab Fusion

The import of a bitmap file, which contains height data of a microstructure is demonstrated. This example provides a step-by-step explanation.

Tutorial

Import of GRIN Medium from Zemax OpticStudio®

In this demonstration we show how to import GRIN-Media which are defined after “Gradient 5”-Shema in Zemax OpticStudio®.

Tutorial

Import of Material Data into VirtualLab Fusion

In this tutorial, we illustrate the workflow of how to import complex material data into VirtualLab Fusion’s materials catalog.

Tutorial

Import of Precalculated Diffraction Efficiencies

This Demo shows how to use precalculated efficiency to define a grating in VirtualLab Fusion.

Tutorial

Importing Measured Sun Spectrum into VirtualLab Fusion

This tutoria illustrates how to import the measured extraterrestrial sunlight spectrum, and how to subsequently employ said spectrum in optical systems.

Use Case

Ince Gaussian Modes

Ince-Gaussian Modes constitute an additional solution for the paraxial wave equation. This use case shows how to set up this kind of modes.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Including Lens Systems in the Optical Setup

In this document we present possible optical design workflows to transfer lens parameter data into VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Indication of Regions

Use Case

Influence of the position of the stop in a lens system

It is demonstrated that the positions of the stop in a lens system have influence on the PSF, especially in the case of inclined illumination.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Technical Insight

Integrating Metalens Modeling into Multiscale Systems

Metalenses are a distinct class of flat lenses, alongside diffractive and Fresnel lenses. We present the concepts and showcase the capabilities.

Assistant

Interpolation and Smoothing

Learn how to use the tools for smoothing and interpolating data in result windows.

Tutorial

Introduction to Data Arrays

Data Arrays are fundamental and flexible native data type in VirtualLab Fusion. This tutorial is an introduction on how to operate with them.

Assistant

Introduction to the Assistant

Get additional insight into software features with focus on theoretical background, usage, some look and feels, use cases and further readings.

Tutorial

Introduction to the Optical Setup

This tutorial introduces the Optical Setup, which can be seen as a virtual analogy to the real-life laboratory in VirtualLab Fusion.

Tutorial

Introduction to the Parametric Optimization Document

Three local and one global optimization algorithm are provided. This Tutorial introduces the associated Parametric Optimization document.

Use Case

Introduction to the VirtualLab Fusion Optimization Package

The Optimization Package is a dedicated optimization tool designed to complement VirtualLab Fusion as a powerful optical system optimization software...
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Optimization Package Optimization Package

Use Case

Investigation of Diffraction in Interferometer Caused by Sharp Relief

We investigate diffraction caused by a sample with a rectangular height structure in a Michelson-Interferometer...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Investigation of Diffraction in Interferometer Caused by Sharp Relief – Analysis by Using Distributed Computing

A Michelson interferometer is used to analyze a podium sample with different wavelengths.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Distributed Computing Distributed Computing

Use Case

Investigation of Focus Shift due to Thermal Lensing

In this use case we demonstrate the change in the effective focal length caused by thermal lensing on a lens. The deformation of the geometry and the steady-state temperature distribution are calculated using Ansys Mechanical and are then imported into VirtualLab.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Investigation of Ghost Image Effects in Collimation System

The ghost image effect in a collimation lens system is investigated, by checking the reflections between uncoated surfaces.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Investigation of Idealized Vectorial Focusing Situation Using Debye-Wolf Integral

We use the Debye-Wolf integral calculator in VirtualLab Fusion for vectorial focal field investigation with different parameters.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Investigation of Lens Aberrations in a SLM-based Beam Shaping Setup

For a diffractive beam shaper used together with focusing lens, the influence from lens aberrations on the system performance is investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Investigation of Polarization State of Diffraction Orders

VirtualLab Fusion enables the detailed analysis of grating structures, with possible changes in the polarization state of the diffracted orders taken into consideration.

Use Case

Investigation of Propagated Light behind a Microlens Array

This use case investigates light behind a microlens array. Effects in the near field, focal plane and far field are shown and discussed.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Fabry-Pérot etalons for laser resonators and spectroscopy can be simulated in the optical design software

Use Case

Investigation of Sodium D Lines with a Fabry-Pérot Etalon

An optical metrology system with a silica spaced etalon is set up to measure the sodium D lines in the optical design software VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Iterative Fourier Transform Algorithm (IFTA) Design via Module

This Use Cases shows how to perform an IFTA design via a programmable module.

Tutorial

LP Fiber Mode Calculator

The Fiber Mode Calculator can be used to calculate linearly polarized (LP) propagation modes in a step-index fiber with a single core or graded-index fiber.

Use Case

Laser Beam “Clean-Up” with Spatial Filter

A spatial filtering system with a pinhole is modeled in VirtualLab Fusion. We demonstrate how the opening of the pinhole influences the output beam quality.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Laser-Based Michelson Interferometer and Interference Fringe Exploration

A Michelson interferometer is set up with the help of non-sequential tracing technology in VirtualLab Fusion, and the interference fringes in different configurations are demonstrated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Lateral Extent Measurement

Use Case

Lens with Modulated Refractive Index

In this Demo we modeled the light propagation through lenses with a modulated refractive index.

Assistant

License Information Dialog

Tutorial

Light Guide Layout Design Tool

The Layout Design tool allows to design a custom “Hololens 1”-like augmented or mixed reality system according to the desired specifications.

Tutorial

Light Path Diagram Information Export

This tutorial shows how to export a summary of all system parameters in the light path diagram into an XML File and how to visualize the parameters.

Assistant

Light Path Finder

We demonstrate how to configure the light path finder and adapt the channel configuration.

Use Case

Light Propagation through Waveguide with In- & Outcoupling Surface Gratings

As one important issue for near-eye display (NED) design, the propagation of light through waveguide structure with tailored in- and outcoupling gratings can be easily modeled with the help of region and channel concept in VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package

Use Case

Lightguide with 2D-Periodic Grating Structures (Diamond-Shaped) Based on Patent by Wave Optics

In this use case we model a lightguide system that uses 2D-periodic grating structures (diamond-shaped), according to the approach from Patent WO2018/178626 (by Wave Optics LTD).
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package
Grating Package Grating Package

Use Case

Lightguide with 2D-periodic Grating Structures

In this demo a lightguide system is modeled, that uses 2D-periodic grating structures, which is based on the approach from Patent WO2018/178626.

Use Case

Lightguide with Butterfly Eye-Pupil Expander based on Patent by Microsoft

This use case shows a lightguide system with a so-called “butterfly pupil expansion”, based on patent US9791703B1 by Microsoft.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Limitations of the FMM

Use Case

Littrow Configuration for Blazed Gratings

Littrow configuration is the chosen denomination for a very commonly used way of orientating a blazed grating in monochromators, spectrometers ...
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

MTF Analysis in Complex Waveguide Devices

In the field of AR/MR, the accurate calculation of the achievable optical performance is one of the major tasks in optical design.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Mach-Zehnder Interferometer

We build up a Mach-Zehnder interferometer in VirtualLab Fusion and demonstrate how the tilt and shift of component affect the interference fringe.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Measuring Uniformities within the Eyebox

In this demo we will explain the optical setup for uniformity detector with different eye positions.

Tutorial

Metagrating Construction – Discussion at Examples

Based on selected examples, we show how to construct and configure metagrating structure and materials in VirtualLab Fusion.

Use Case

Microscopy System with Structured Illumination

It is demonstrated that the contrast of the structured illumination pattern is influenced by the polarization of the incident beam.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Mie Solution to Maxwell’s Equations for Scattering of an Electromagnetic Plane Wave

With the Mie solution for an electromagnetic plane wave in VirtualLab Fusion, we investigate the scattering effect of spherical particles with different radii and made of different materials.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Modeling Profile Editor

Learn more about the profile editor, which gives a systematic and user-friendly overview and access to all parameters of your optical system.

Use Case

Modeling and Analysis of Volume Holographic Gratings

This use case demonstrates how volume gratings can be modeled and analyzed in the optical design software VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Diffractive Optics Package Diffractive Optics Package
Grating Package Grating Package

Use Case

Modeling and Analysis of Wedged Reversal Shearing Interferometry

We demonstrate how such an interferometer can be realized in VirtualLab Fusion...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling and Design of Blazed Metagratings

We design and construct a blazed metagrating in VirtualLab Fusion using square nano pillars, analyze its polarization-dependent diffraction efficiency, and further optimize it.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Modeling of An Image Projection System Based on Panel-Type Display

An image projection system is set up using the panel-type source. The performance of the system is evaluated by observing the spot grid in both the spatial and angular domains.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of Bessel Beam Generation from Axicon with Round Tip

We model the generation of Bessel beams with axicon with round tip and investigate how the round tip may influence the Bessel beam evolution.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of Etalon with Planar or Curved Surfaces

With the non-sequential field tracing technique, the regarding interference patterns are modeled including vectorial effects.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of Foucault Knife-Edge Test

The Foucault knife-edge test is a well-known historical experiment to determine the characteristics of a given concave-shaped mirror. In this use case we model this test for a spherical and a parabolic mirror.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of Graded-Index (GRIN) Lens

In VirtualLab Fusion, we perform a fully physical-optics modeling of a Graded-index lens system, which includes the polarization crosstalk effects.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of Graded-Index (GRIN) Multimode Fiber

A fast approach for light propagation through a GRIN medium, which includes the polarization crosstalk effect, is implemented, and its validity and advantages are shown in comparison with a rigorous solver.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Modeling of Gratings within Optical System – Discussion at Examples

With the help of typical examples, we explain how to model grating within system and discuss topics like alignment of gratings, grating order selection, and angular response setting.

Use Case

Modeling of Microlens Arrays with Different Lens Shapes

The imaging properties of microlens array with different lens shapes are investigated. Change of the focal spots with respect to aberration of input field is demonstrated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of Multi-Pass White Cell

This Use Case demonstrates this capability in the context of CO₂ absorption measurement.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Modeling of Optical System with Graded-Index Sphere

In this demo we show that the field distribution is similar as the prediction of ray tracing result (when the sphere enlarged, calculation time of RK

Use Case

Modeling of Total Internal Reflection (TIR) Prism

We illustrate the modeling of interference and vignetting effects at a total internal reflection (TIR) prism. Dependent on the characteristics of the impinging light, these effects are introduced by the narrow gap between both prism parts.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of VCSEL Source by Two Uncorrelated Laguerre-Gaussian Modes

This document demonstrates how to achieve the desired intensity distribution of a specific VCSEL source via parametric optimization of two uncorrelated Gaussian modes with the help of the Multiple Light Source.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of a Herriott-Cell

This use case shows a physical optics simulation of a Herriott Cell for gas spectroscopy, including a demonstration with CO2.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Modeling of a HoloLens 1 - Type Layout with Light Guide Component

This use case demonstrates the modeling of a device of a simple “HoloLens 1”-type layout with a Light Guide component capable of guiding light with a 32° × 18° FoV.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of a Metalens Singlet Based on Half-Wave Plate Model

Such metalenses are sensitive to the polarization of the input field and in this example we demonstrate the polarization behavior.

Use Case

Modeling of a Space Plate by using a Multilayered Metasurface

Metasurfaces allow to imitate a propagation in free space much longer than the actual thickness of the plate...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of an Array of Vertical Cavity Surface Emitting Laser (VCSEL) Diodes

This document demonstrates how a VCSEL array source can be modeled in VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling of the Talbot Effect

We demonstrate the modeling of the Talbot effect, a well-known near-field diffraction effect from periodic structures such as gratings.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Modeling the Effects introduced by the Real Structure of a Diffractive Lens in a Hybrid Eyepiece

A hybrid eyepiece with a real diffractive lens surface is imported from Zemax OpticStudio® and analyzed further in VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Flat Lens Package Flat Lens Package
Grating Package Grating Package

Tutorial

Module for the Measurement of FFT Execution Time

A module is programmed to measure the FFT execution time for a quadratic field with different numbers of sampling points, in float and/or double precision.

Use Case

Moiré Fringes Generation

In this Demo we seek to model the Moiré pattern in an optical setup.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Non-Sequential Ray Tracing Analysis of Glass Plate

By using the non-sequential tracing technique in VirtualLab, the ray tracing analysis of a glass plate is performed.

Assistant

Notes on Constraints

We show you how to optimize given constraints with the parametric optimization document.

Use Case

Observation of Gouy Phase Shift in a Mach-Zehnder Interferometer

Gouy phase shift, which is a p phase term, can be observed by a Mach-Zehnder interferometer. The interference along optical axis is constructive before focus, while destructive behind focus.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Vortes Array Beam generation in VirtualLab Fusion optical modeling and design software

Use Case

Observation of Vortex Array Laser Beam Generation from Ince-Gaussian Beam

This document illustrates the generation of vortex-array laser beams using an Ince-Gaussian source.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Observation of the Poisson Spot

The vital role of diffraction in the Poisson-spot experiment provided proof of the wavelike nature of light.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Optical Setup

We demonstrate some basic concepts of working with the optical setup, like how to add elements and how to configure their position and orientation.

Assistant

Optical System View

Learn about the use of the Optical System View, which is available in the Ray Result Profile of VirtualLab Fusion.

Use Case

Optical System for Inspection of Micro-Structured Wafer

A complete wafer inspection system including high-NA focusing effect and light interaction with microstructures is modeled, and the formation of image is demonstrated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Optically Anisotropic Media in VirtualLab Fusion

This tutorial introduces the basic configuration of an anisotropic medium.

Use Case

Optimal Working Distance for Coupling Light into Single-Mode Fibers

In this example, we select one commercially available lens and show how to find the optimal working distance to obtain maximum fiber coupling efficiency by using field tracing.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Optimization of Anti-Reflective Moth-Eye Structures

We investigate two strategies of an equidistant gridded moth-eye structure, evaluating their efficancy and outcomes in optimizing AR properties.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Optimization Package Optimization Package

Use Case

Optimization of Grating Incoupler for Lightguides/Waveguides

Lightguide or waveguide-based systems have proven to be a good approach for many AR/VR applications. To achieve high performance...
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Optimization of Lightguide Coupling Grating for Single Incidence Direction

We demonstrate the design workflow for optimizing a rectangular grating for one specific incidence direction to obtain maximum efficiency for a specific diffraction order.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Optimization of Lightguide with Continuously Modulated

This use case demonstrates how to optimize a lightguide with continuously varying fill factor of the gratings in the EPE and outcoupler regions to achieve adequate lateral uniformity in the eyebox.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package
Grating Package Grating Package

Use Case

Optimizing Waveguide Outcoupling Gratings for Uniform Multiple Channels

To ensure uniform multiple waveguide output channels, the outcoupling gratings are optimized, with their efficiencies calculated by the rigorous Fourier modal method.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package

Tutorial

Orientation of Gratings within a Grating Region

In this tutorial we will explain the advanced orientation setting for gratings within a grating region.

Assistant

Parallelization in a Parameter Run

VirtualLab Fusion allows you to run multiple parameter iterations simultaneously, reducing simulation time at the cost of higher PC resources.

Assistant

Parameter Overview

We show where it is available and how it can be used to configure the numerical parameters of sources, components, and detectors.

Tutorial

Parameter Variation Analyzer

The Parameter Variation Analyzer which enables the analysis of the entire system and further process the data obtained.

Use Case

Parametric Optimization and Tolerance Analysis of Slanted Gratings

With the Fourier modal method (FMM) as the kernel on which parametric optimization a slanted grating is designed to achieve high diffraction efficiency.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Parametric Optimization of Fiber Coupling Lenses

With the parametric optimization in VirtualLab Fusion, the design of a fiber coupling lens with conical surface into a single-mode fiber is presented.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Parametric Optimization of a Half-Symmetric Two-Mirror Resonator

In VirtualLab Fusion, users can easily construct a two-mirror laser resonator, and use parametric optimization to design this resonator to generate a desired output mode.

Assistant

Paraxial Assumptions

Learn how to vary modeling parameters for paraxial assumptions.

Tutorial

Paraxial Assumptions Tool

This tutorial introduces the Paraxial Assumptions tool, demonstrating its options and providing a workflow of how to use it.

Use Case

Performance Analysis of Laser Scanning System

A scanning system consisting a dual-axis galvanometer and an aspherial focusing lens is modeled, with the rotation of the mirrors taken into simulation as in the practical case.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Performance Evaluation of an F-Theta Scanning Lens

With the scanning source in VirtualLab Fusion, we analyze the performance of an F-Theta lens, by measuring the focal spot position deviation and the spot size for different scan angles.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Performance Settings in Global Options of VirtualLab Fusion

The account different powerful computer system it, performance based parameters are introduced and explained.

Tutorial

Personalization Settings for Visualization in VirtualLab Fusion

This document illustrates the usage of the global options for personalization of the view settings of the VirtualLab Fusion.

Assistant

Photometry Detector Add-ons

Use Case

Pinhole Modeling in a Low-Fresnel-Number System

With the flexible Fourier transform settings in VirtualLab Fusion, we model the diffraction effect from surface apertures and pinholes in a low-Fresnel-number system.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Pointwise versus Integral Operations

See how to configure free space propagation with the tool Pointwise vs. Integral Operations.

Tutorial

Polarization Analyzer

This tutorial demonstrates the capabilities of the Polarization Analyzer for the analysis and optimization of grating structures.

Use Case

Polarization Conversion in Uniaxial Crystals

The conversion of polarization of linearly polarized light in a calcite crystal is demonstrated in VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Polarization Ellipses

This tutorial shows how to visualize the polarization state of light, represented as complex electromagnetic wave in a depictive way.

Assistant

Polarization Ellipses

Learn how to generate polarization ellipses via the universal detector or the corresponding manipulation tool of data arrays.

Use Case

Polarization-Dependent Binary Resonant Gratings

We construct a binary grating with sub-wavelength structure following the principle of form birefringence and demonstrate its polarization-dependent properties.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Polarizer in Focal Region

To model polarizer used in non-paraxial cases, an idealized model is implemented in VirtualLab, and the effect of a polarizer in the focal region is presented.

Tutorial

Position and Orientation Information Display Control

This tutorial shows how to set up the position and orientation information display in a Light Path View.

Use Case

Position and Orientation of Optical Setup Elements

This use case demonstrate how to configure the position and orientation of optical elements within optical setups.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Precise Measurement of Goos-Hänchen Shift form Weakly Absorbing Slab

We demonstrate the Goos-Hänchen shift for a dielectric slab with weak absorption, by measuring the lateral shift of the reflected beam with respect to the incidence angle.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Principle of Stimulated Emission Depletion (STED) Microscopy

STED Microscopy describes a commonly used technique to achieve super resolution in biological applications.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Profile Editing Tool Speed vs. Accuracy

This tutorial introduces the Speed vs. Accuracy tool which allows the user to customize global sampling parameter.

Tutorial

Profile Editor

This tutorial introduces the Profile Editor in VirtualLab Fusion.

Assistant

Profile Editor - Other Settings

Use Case

Programmable Component for Free-Space Propagation

In this programming example, we present some functions which were used in the Classic Field Tracing engine to propagate an electromagnetic field that was represented in an equidistantly sampled form.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Programmable Dispersion Function

This tutorial introduces the Programmable Medium and shows how to customize your own dispersion Formula.

Tutorial

Programmable Grating Analyzer

We show how to use a Programmable Grating Analyzer to access the grating diffraction information, to display it, and to use it for further analysisor optimization.

Tutorial

Programming Detector Add-ons in VirtualLab Fusion

VirtualLab Fusions programmable tools offer maximum flexibility in the definition of physical behavior.

Tutorial

Programming Radially & Azimuthally Polarized Sources

See how to create a radially and an azimuthally polarized source, experimenting in the process with the programming of light sources and the potential of the Combined Light Source feature.

Tutorial

Programming a Chirped Gaussian Pulse Spectrum

This example shows how to use Programmable Pulse Spectrum to generate a chirped Gaussian pulse, with the pulse specification given in time domain.

Tutorial

Programming a Degree of Coherence Detector

Based on the fully vectorial electromagnetic field information, a Programmable Detector is done for the calculation of the degree of coherence.

Tutorial

Programming a Detector Summing Square Amplitude on Optical Axis

This example illustrate the access on field values in a Programmable Detector via source code, and it calculates the sum of all squared amplitudes on the optical axis including all field components.

Tutorial

Programming a Detector for Diffractive Optics Merit Functions Calculation

Based on the full field information, and together with the Programmable Detector, several typically used merit functions in diffractive optics are realized in this example.

Tutorial

Programming a Detector to Save Fields Automatically

A Programmable Detector is constructed for saving a light distribution (harmonic fields set) to the desired file path on the hard disk.

Tutorial

Programming a Double Pinhole Transmission Function

In this programming example we illustrate how to code a transmission function that imitates an opaque screen punctured by two round holes.

Tutorial

Programming a Double Slit Function

An example snippet is presented for defining a double slit function, with customizable slit width and distance in between.

Tutorial

Programming a Micro-Lens Array

This example shows how to realize an array of micro-lenses on a rectangular grid by using the Programmable Interface in VirtualLab.

Tutorial

Programming a Module That Computes the Standard Deviation between Two Harmonic Fields

Gauging the accuracy of a given result is fundamental. We show you how to program a module to compute the standard deviation between two fields.

Tutorial

Programming a Module that Smooths the Edges of a Structure

This programmable module is designed to be applied to the sharp result of a designed structure, and it will round off the edges according to user-specified values.

Tutorial

Programming a Multiple-Slit Transmission Function

In this document you can find an example for the Programmable Function which defines an arbitrary number of equidistant slits with an arbitrary width and distance.

Tutorial

Programming a Scanning Parameter Run

A convex-plano single lens is analyzed by scanning over the radius of curvature and its thickness with the Programmable Parameter Run in VirtualLab Fusion.

Tutorial

Programming a Sinusoidal Surface

In this document you can find an example for the Programmable Interface. Although the sinusoidal surface is provided ready-made in the catalog, we show you how to code it for illustration purposes.

Tutorial

Programming a Sinusoidal Volume Grating

In this example, the generation of sinusoidal volume grating is demonstrated, with the grating period and the refractive index modulation as user-defined parameters.

Tutorial

Programming a Spectral Band Filter

This document shows a customizable spectral band filter in a system with a Gaussian pulse with a homogeneous spectrum.

Tutorial

Programming a Truncated Cone Surface

A truncated cone structure is generated using the Programmable Interface, with its specifications (height, top/base diameter) as user-defined parameters.

Tutorial

Programming an Anamorphic Surface

Using the Programmable Interface in VirtualLab Fusion, an anamorphic surface is programmed and especially with the surface gradient analytically given.

Tutorial

Programming an Axicon Transmission Function

In this programming example we illustrate how to use the Programmable Function in VirtualLab to create a custom idealised component that performs like an axicon.

Assistant

Propagation Between and Inside Components

For performing optical simulations it is very important to specify the propagation within free space.

Assistant

Propagation to Detectors

By configuring the free space propagation settings, VirtualLab Fusion lets you control how much diffraction is included in your modelling.

Use Case

Pulse Broadening in Dispersive Media

We investigate the relationship between the broadening of an ultrashort pulse and the dispersion of given materials that the pulse propagates through.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Pulse Focusing with High-NA Lens

We investigate the effects of subjecting an ultrashort pulse to propagation through a lens with high numerical aperture, in terms of its spatial, as well as of its temporal, profile.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Pulse Front Tilt in SSTF – Setups

This Use Case demonstrates the characteristics of an ideal SSTF Setup including the effects of chirp.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

RGB Diffuser using Lightguide Approach

In this demo we show how to design a diffuser for distinct target pattern for each of the RGB wavelengths. Furthermore, we will generate a Lightguide setup for guiding and separated outcoupling of the RGB modes.

Assistant

Radiometry Detector Add-ons

Assistant

Ray Results Modeling Profile

We also show how to use different result visualizations for your simulation.

Assistant

Ray Sampling

Use Case

Reflecting Microscope System with very high Numerical Aperture

This use case demonstrates the modeling a compact reflective microscope system with a very high numerical aperture of 0.99 using VirtualLab Fusion’s fast physical optics technology. Further the result is compared to a reference.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Reflection at a Retro Reflector with Rough Surfaces

This demonstration simulates a retro reflector with rough surfaces.

Use Case

Reflection at a Rough Surface

We demonstrate how a random rough surface can be modeled and analyzed in the optical design software VirtualLab Fusion.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Diffractive Optics Package Diffractive Optics Package
Flat Lens Package Flat Lens Package

Use Case

Resolution Investigation for Microscope Objective Lenses by Rayleigh Criterion

Following the Rayleigh criterion, we investigate the resolution of three microscope objective lenses with different numerical apertures.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Resolution Investigation of a Microscopy System by Abbe Criterion

It is demonstrated that the resolution of a microscopy system depends on its numerical aperture.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Resolving Sodium Doublet by Using a Czerny-Turner Setup

A physical-optics-based simulation of Czerny-Turner setup consisting of parabolic mirrors and blazed grating for Sodium doublet examination, is investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Resonant Photonic Lattices

We simulate a photonic lattice system with the in-build FMM solver of VirtualLab Fusion.

Tutorial

Result Resampling by Average Calculation Yielding Desired Number of Pixels

This example shows a detector add-on that converts results so that an averaged value is output for each adjustable number of data points.

Assistant

Result Visualization

Use Case

Rigorous Analysis and Design of Anti-Reflective Moth-Eye Structures

With the Fourier modal method and the parametric optimization in VirtualLab Fusion, we demonstrate the analysis and design of anti-reflective moth-eye structures.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Rigorous Analysis of Nanopillar Metasurface Building Block

With the rigorous Fourier modal method (FMM), we analyze the effects, especially the phase modulation, of nanopillar structures with varying diameters - the building blocks of metalenses.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Rigorous Analysis of Resonant Waveguide Gratings

We apply the Fourier modal method (FMM / RCWA) within VirtualLab Fusion to analyze resonant waveguide gratings rigorously and demonstrate how to check the resonant effects with focused Gaussian beams.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Robustness Optimization of a Slanted Grating

This use case demonstrates a robustness optimization for a slanted grating that has a slightly varying fill factor.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Running VirtualLab Fusion Optical Simulations with Python

We demonstrate how to use Python to run an optical simulation in VirtualLab Fusion.

Use Case

Sagnac Interferometer

In this Demo we seek to simulate the interference pattern in a Sagnac interferometer setup.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Savitzky-Golay Filter Function

This tutorial demonstrates the usage of the Savitzky-Golay filter in order to smooth out a measured spectrum.

Assistant

Scaling of Data

Tutorial

Scanning Mode of Parameter Run

The scanning mode of the Parameter Run document generates a simulation series of all combinations of specified parameter variations and provides specifically suited output options.

Use Case

Schmidt-Cassegrain Telescope

The simulation of a Schmidt-Cassegrain telescope with VirtualLab Fusion. It also investigates the aberration effects in a sample system.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Technical Insight

Seamless Transition to Geometrical Optics Concepts in a Fully Physical Optics Framework​

Integrating geometrical optics into multiscale simulation framework necessitates developing a formulation of geometrical optics for electromagnetic fields.

Use Case

Shaping of White Light by Using Prism / Grating / Mirror Cells Arrays

Design of different types of cells arrays, which are used behind white light LED for generating customized patterns, are presented.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package
Light Shaping Package Light Shaping Package

Use Case

Simulation of Basic Mirau Interferometer

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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Simulation of Conical Refraction as a Tool for Polarization Metrology

This use case demonstrates the application of conical refraction as a tool for polarization metrology.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Simulation of Laser Beam in Focal Region of High-NA Asphere

When a linearly polarized beam is focused by a high-NA lens, the focal spot shows asymmetry due to the relatively strong Ez component.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Simulation of Light Diffraction at Pixels of a Spatial Light Modulator

When SLMs are often employed as programmable diffractive optical elements, the influence from the pixel gaps on the system performance is investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Simulation of Lightguide with 1D-1D Pupil Expander and Real Gratings

The investigation of the influence of real gratings on the efficiency and uniformity of a lightguide are of essential importance. This use case shows an example with a slanted grating as incoupler and binary surface relief grating as EPE and outcoupler.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
AR VR MR Package AR VR MR Package
Grating Package Grating Package

Use Case

Simulation of Multilayer Birefringent Reflective Polarizer with VirtualLab Fusion

In this use case, the relationship between the number of alternate birefringent layers and the Bragg reflection condition is explored with VirtualLab Fusion. The variation of the reflectance efficiency with different wavelengths and incident angles is further investigated.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Simulation of Multiple Light Sources with VirtualLab Fusion

This document illustrates how to use the Multiple Light Source in VirtualLab Fusion.

Use Case

Simulation of Reflective Pyramid Wavefront Sensor

This use case shows the modeling a reflective pyramid wavefront sensor by using VirtualLab Fusion’s Field Tracing technology.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

Simulation of a High NA Focusing System via Module

Learn how to change simulation parameters and perform an simulation on the example of a high-NA idealized lens with different incident angles...

Use Case

Simulation of a Shack-Hartmann Sensor

The working principle of a Shack-Hartmann sensor is shown using plane waves and spherical waves with different values of the numerical aperture. The sensor itself consists of a double-convex microlens array.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Simulation of a Test Image in an AR Waveguide Using Distributed Computing

A waveguide combiner is illuminated with a test image that consists of more than 10,000 pixels.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Distributed Computing Distributed Computing

Use Case

Single Grating Interferometer for X-Ray Imaging

Three types of gratings (modeled by phase-only transmissions) are employed in a single grating interferometer for the x-ray...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Single-Molecule Imaging by High-NA Fourier Microscope

We model a complete high-NA Fourier microscopy system for single-molecule imaging. Exemplarily, we show the effect of e.g. Fresnel losses at interfaces, diffraction from apertures, and compare the simulation results to a reference.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Source - Position & Size

Learn about the use of the position and size configuration tab for light sources within the profile editor.

Assistant

Source - Power Management

Learn how to activate and configure the power management for light sources using the profile editor.

Tutorial

Source Code Editor

For optical elements, which cannot be found in the catalogs of VirtualLab Fusion, users are able to create them by using programmable objects, e.g., programmable source, interface, medium and detector. The programming language is C#. The source code editors is the most important structure of all programmable objects.

Assistant

Source to Component Propagation

VirtualLab Fusion lets you decide how much diffraction to include in your modelling. You can adjust the free space propagation settings to control this.

Tutorial

Specification of Diffraction Orders and Efficiencies for Grating Regions

This covers the user-friendly interface to select grating orders and specify their efficiencies (either idealized or calculated rigorously) for the grating regions of a light guide.

Assistant

Speed-up Your Modeling with Distributed Computing

The processing of numerous elementary simulations is a typical requirement of optical modeling and design tasks. This is due to a number of factors.

Tutorial

Spherical Lens Component

This tutorial demonstrates a component that facilitates the inclusion and specification of spherical lenses in VirtualLab Fusion.

Use Case

Statistical Moth-Eye Structure

This use case demonstrates how to model the moth-eye structure by a statistical distribution of cones. For this purpose, the Random Cone Interface is used.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Stokes Parameters Measurement behind a Tilted Polarizer

By using an idealized non-paraxial polarizer model, the interaction of a polarizer with incident wave from different angles is investigated, and the results are characterized by Stokes parameters.

Tutorial

Stratified Media Component

This tutorial introduces the Stratified Media Component and gives an overview of its options, settings, and electromagnetic field solver.

Use Case

Stress-induced Birefringence in Laser Crystals

The stress-induced birefringence in a YAG crystal is investigated, by examining the change of output field with respect to the strength of stresses.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Stretching or Compression of Ultrashort Pulses with Highly Efficient Transmission Gratings

We demonstrate, according to T. Clausnitzer et al., how to build up a pulse stretching or compression system with two transmission gratings. Especially, we analyze the polarization dependency of such systems.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Structure Design

This tutorial shows the usage of the structure design tool, which can be used to convert the phase function into a height profile.

Tutorial

System Analysis with Sequential and Non-Sequential Field Tracing

VirtualLab Fusion enables the user to build up an optical system once and analyze it with different tracing techniques.

Tutorial

System Modeling Analyzer

In this document, the application and advantages of the System Modeling Analyzer tool are demonstrated at two different examples.

Tutorial

Tailored Light Outcoupling from Glass Plate with Arbitrarily Shaped Apertures

With the region concept in VirtualLab Fusion, apertures with arbitrary shapes can be defined flexibly. Situations with fully and partially illuminated apertures are shown.

Use Case

Talbot Images of A Conical Phase Mask

A phase mask with a layer of cones is modeled rigorously in VirtualLab Fusion. Different Talbot images are detected, with the pillar pattern reproduced in the primary image plane and the hole pattern in the secondary.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Thin Element Approximation (TEA) vs. Fourier Modal Method (FMM) for Grating Modeling

Two commonly used, but very different algorithms for the analysis of diffraction efficiencies of gratings are investigated: TEA and FMM.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Tight Focusing Through a Stratified Medium

It is demonstrated that the focal spot is aberrated for tight focusing through a coverslip, which is a stratified medium.
Learn more
Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Tight Focusing by a High-NA Immersion Microscope

It is demonstrated that the PSF is distorted behind the coverslip of an immersion microscope.
Learn more
Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Tight Focusing of Variously Polarized Beams by an Idealized Aplanatic Lens

VirtualLab Fusion with its idealized lens functions provides an easy way to analyze the focusing effects of polarized vectorial fields...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Tolerance Analysis of a Fiber Coupling Setup

In a fiber coupling optical setup, the coupling efficiency is analyzed with respect to tolerance factors like the shift of fiber end position and the tilt of lens.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Tolerancing with Parameter Variations of Different Random Distributions

In this use case we demonstrate a programmable Parameter Run that allows the user to employ different random distributions for the purpose of tolerancing.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Tolerancing with Random Distributions

This Use Case presents the different forms of random distributions that could be used to perform a tolerance analysis on a system.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

Topics of the VirtualLab Fusion Assistant

Use Case

Ultra-Sparse Dielectric Nano-Wire Grid Polarizer

The polarization-dependent properties of ultra-sparse dielectric nanowire grids are analyzed by using the Fourier modal method (FMM, also known as RCWA).
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Tutorial

Uniformity Detector for Lightguide Systems

This tutorial shows how to use the uniformity detector in VirtualLab Fusion.

Assistant

Unify Scaling in Data Set

Tutorial

Universal Detector

The Universal Detector is the most versatile tool to evaluate and output any information of an electromagnetic field in VirtualLab Fusion.

Tutorial

Unpolarized Light for Grating Simulation – Discussion at Examples

It is shown how to model the effect of unpolarized light, as the average of two orthogonal polarization states, for grating simulations in VirtualLab Fusion.

Tutorial

Usage of Camera Detector

The Camera Detector constitutes one of the most fundamental detectors in VirtualLab Fusion. Keep reading for an in-depth description of how to configure and use this detector in simulations.

Tutorial

Usage of Debye-Wolf Integral Calculator

The Debye-Wolf integral calculator in VirtualLab Fusion computes the vectorial field near focus based on an idealized model, when the exact specifications of the objective lens are not known.

Tutorial

Usage of Distributed Computing

This tutorial show how Distributed Computing can be activated in VirtualLab Fusion.

Tutorial

Usage of Focal Length Analyzer

The focal length is an important parameter to evaluate an imaging system. By using the Focal Length Analyzer, the effective and back focal length of optical components can be obtained and used with parametric optimization.

Tutorial

Usage of PSF & MTF Detector

Point spread function (PSF) and modulation transfer function (MTF) are important optical quantities to evaluate the quality of an imaging system. In VirtualLab Fusion, PSF and MTF for an imaging system can be calculated fast and accurately.

Tutorial

Usage of the Parameter Run Document

Using the Parameter Run in VirtualLab Fusion, one can specify the varying range of selected parameters flexibly, so as to perform system analysis.

Use Case

Variable Angle Spectroscopic Ellipsometry (VASE) Analysis of a SiO2-Coating

Due to its high sensitivity to small changes in optical parameters, variable angle spectroscopic ellipsometry (VASE) is a commonly applied technology...
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Vector Beam Generation with a SLM and a Common-Path Interferometer

An interferometric setup is built up with SLM, apertures, quarter-wave plates, and grating, in a 4f lens system. Using this setup, we demonstrate the generation of cylindrical vector beams.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Assistant

View Positions, Directions & Wavefront Phase

We show how to access the information of positions, directions and the wavefront phase in the view of VirtualLab Fusion.

Tutorial

View Settings for 2D Data Arrays

In this document we take an in-depth look at the visualization options of 2D Data Arrays and go through the corresponding View ribbon options in detail.

Tutorial

Visualization Settings in VirtualLab Fusion

We illustrate the usage of the Global Options parameters that relate to visualization and the graphic display of results.

Tutorial

Visualize Grating Regions in Lightguide Results

We demonstrate a detector add-on for the Universal Detector that superimposes the visualization of lightguide grating regions.

Assistant

Visualize Positions in View Windows (Add Point Cloud)

We demonstrate the combination of point cloud data with an equidistant data array.

Assistant

Visualize Region Boundaries in View Windows (Add Region)

We show the combination of regions with an equidistant data array and the customization of the visualization of the region as graphics add-on.

Tutorial

Wave Aberration Detectors

In lens design, the aberration information in the lens system is important for the optimization process. In VirtualLab Fusion, detectors for different kinds of wave aberration representation are provided.

Tutorial

Wavefront Error Detector

Wavefront error is defined as the difference between the reference wavefront phase, which is a constant phase or spherical phase, and the detected wavefront phase of one optical system.

Assistant

Welcome to VirtualLab Fusion 2023.1

Assistant

Welcome to VirtualLab Fusion 2023.2

Assistant

Welcome to our Assistant

Assistant

What's New in 2024.1

Use Case

White-Light Michelson Interferometer

A Michelson interferometer with a Xenon lamp source is modeled with the spectral property, i.e. limited coherence length, of the source fully considered.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Working Principle of Confocal Scanning Microscopes

We built a confocal scanning microscope in VirtualLab Fusion and used a metallic grating as the test object to demonstrate the working principle of the microscope.
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Required Packages
VirtualLab Fusion VirtualLab Fusion
Grating Package Grating Package

Use Case

Working Principle of Optical Coherence Tomography

With a low-coherence Xenon lamp source, a Michelson interferometer is built up to demonstrate the working principle of optical coherence tomography (OCT).
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Working with the Property Browser

In this Use Case we show the Property Browser, which provides a summary of physical and numerical parameters of a selected document.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Use Case

Young’s Interference Experiment

In VirtualLab Fusion, we reproduce the famous Young’s interference experiment, and checked the influence from slit width, slit distance, as well as the effect of extended source.
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Required Packages
VirtualLab Fusion VirtualLab Fusion

Tutorial

k-Domain Layout Visualization

We explain the physical concepts employed in the k-Layout Visualization tool and demonstrates its usage.