LightTrans

What’s new?

Large-Angle Dot Projector

[September 17, 2019]
In VirtualLab Fusion, by connecting different field solvers, we demonstrate how a dot project works.
[September 17, 2019]

In VirtualLab Fusion, by connecting different field solvers, we demonstrate how a dot project works.

A large-angle dot projector is the key optical component in Apple’s Face ID, which casts a structured dot pattern onto the face so as to create a 3D facial map. The dot projection system often employs an array of VCSEL units. Light from the VCSEL array is first collimated by a lens system, and then replicated by a two-dimensional grating into a large angular range. Simulation of such systems would require an appropriate model of the VCSEL source, a dependable handling of the lens system, and a rigorous method for gratings with relatively small periods. In VirtualLab Fusion, this connection of different field solvers is par for the course; we use this ability below in a demonstration of how a dot projector works.

In VirtualLab Fusion, by connecting different field solvers, we demonstrate how a dot project works.
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EOS Diffractive Optics 2019 – Attend our Talks!

[September 11, 2019]
Next week the conference will take place in Jena. There are several talks with speakers and co-authors from LightTrans, covering a wide spectrum of topics – from AR & MR glasses to volume scatterers. Don't miss the chance to be part of this anniversary topical meeting and attend our talks!
[September 11, 2019]

Next week the conference will take place in Jena. There are several talks with speakers and co-authors from LightTrans, covering a wide spectrum of topics – from AR & MR glasses to volume scatterers. Don't miss the chance to be part of this anniversary topical meeting and attend our talks!

Welcome to the
EOS Topical Meeting on
Diffractive Optics 2019 in Jena!

Next week this exciting conference will take place in Jena. Have a look at our talks and register now!

Jena, Germany | 16 – 19 September

Next week the conference will take place in Jena. There are several talks with speakers and co-authors from LightTrans, covering a wide spectrum of topics – from AR & MR glasses to volume scatterers. Don't miss the chance to be part of this anniversary topical meeting and attend our talks!
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Tightly Focused Light

[September 02, 2019]
We demonstrate, using the software VirtualLab Fusion, how different polarization states (e.g. radial) and aperture shapes (e.g. annular) may influence the electromagnetic field in the focal region.
[September 02, 2019]

We demonstrate, using the software VirtualLab Fusion, how different polarization states (e.g. radial) and aperture shapes (e.g. annular) may influence the electromagnetic field in the focal region.

How to focus light into an ever-smaller spot is an ever-present question in the optics community. Various approaches with the aim to focus light tightly have been developed, particularly of late. Investigation of light focusing under a high-NA configuration often requires fully vectorial electromagnetic simulation techniques. We demonstrate, using the software VirtualLab Fusion, how different polarization states (e.g. radial) and aperture shapes (e.g. annular) may influence the electromagnetic field in the focal region. Such analyzes can be done either with idealized lenses, or with real lenses with explicit structure and material information.

We demonstrate, using the software VirtualLab Fusion, how different polarization states (e.g. radial) and aperture shapes (e.g. annular) may influence the electromagnetic field in the focal region.
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Customize VirtualLab Fusion to Fit Your Needs!

[August 23, 2019]
We would like to provide full flexibility in VirtualLab Fusion so as to be able to meet the specific needs of the wide range of modeling or design tasks that can be tackled with the software. This versatility can be realized with various types of programmable elements in VirtualLab, from source to detectors, through components, and many more.
[August 23, 2019]

We would like to provide full flexibility in VirtualLab Fusion so as to be able to meet the specific needs of the wide range of modeling or design tasks that can be tackled with the software. This versatility can be realized with various types of programmable elements in VirtualLab, from source to detectors, through components, and many more.

We would like to provide full flexibility in VirtualLab Fusion so as to be able to meet the specific needs of the wide range of modeling or design tasks that can be tackled with the software. This versatility can be realized with various types of programmable elements in VirtualLab Fusion, from source to detectors, through components, and many more. Here we demonstrate two examples: a customized analyzer and a module. In the first example, a programmable grating analyzer is used to read and display specific grating diffraction properties for further analysis; the second example shows how to control an IFTA design via a customized module, avoiding the graphical user interface of the software.

We would like to provide full flexibility in VirtualLab Fusion so as to be able to meet the specific needs of the wide range of modeling or design tasks that can be tackled with the software. This versatility can be realized with various types of programmable elements in VirtualLab, from source to detectors, through components, and many more.
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VirtualLab Fusion Training Courses in Autumn | Jena, Germany

[August 20, 2019]
Learn from our optical engineering experts how to use VirtualLab Fusion efficiently. Register for both courses or only one, depending on your previous experience working with VirtualLab Fusion.
[August 20, 2019]

Learn from our optical engineering experts how to use VirtualLab Fusion efficiently. Register for both courses or only one, depending on your previous experience working with VirtualLab Fusion.

Learn from our optical engineering experts how to use VirtualLab Fusion efficiently. Register for both courses or only one, depending on your previous experience working with VirtualLab Fusion.

Since numerous new features are included in our VirtualLab Fusion Summer Release 2019, these courses would be interesting for existing users as well.

Learn from our optical engineering experts how to use VirtualLab Fusion efficiently. Register for both courses or only one, depending on your previous experience working with VirtualLab Fusion.
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Hybrid Lens Simulation

[August 09, 2019]
We analyze in particular how to exploit the dispersion property of diffractive optics to correct chromatic aberration. Since the Summer Release 2019, VirtualLab Fusion supports the import of Binary 2 surfaces from Zemax OpticStudio®, a feature that facilitates a convenient workflow for the analysis of such hybrid lens systems.
[August 09, 2019]

We analyze in particular how to exploit the dispersion property of diffractive optics to correct chromatic aberration. Since the Summer Release 2019, VirtualLab Fusion supports the import of Binary 2 surfaces from Zemax OpticStudio®, a feature that facilitates a convenient workflow for the analysis of such hybrid lens systems.

Hybrid optical lenses with both refractive and diffractive surfaces have already proved useful in many applications. As an example, we showcase a hybrid eyepiece with just such a construction, i.e. it consists of both refractive and diffractive surfaces. We analyze in particular how to exploit the dispersion property of diffractive optics to correct chromatic aberration. Since the Summer Release 2019, VirtualLab Fusion supports the import of Binary 2 surfaces from Zemax OpticStudio®, a feature that facilitates a convenient workflow for the analysis of such hybrid lens systems.

We analyze in particular how to exploit the dispersion property of diffractive optics to correct chromatic aberration. Since the Summer Release 2019, VirtualLab Fusion supports the import of Binary 2 surfaces from Zemax OpticStudio®, a feature that facilitates a convenient workflow for the analysis of such hybrid lens systems.
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EOS Diffractive Optics 2019 – Program Overview

[August 08, 2019]
Register now for the conference. Early bird registration until 31 July 2019. The conference programm is now online.
[August 08, 2019]

Register now for the conference. Early bird registration until 31 July 2019. The conference programm is now online.

EOS Topical Meeting on
Diffractive Optics

We are happy to announce that EOS has published the program of the conference. Take the chance and meet experts to talk about their latest research results in the field of photonics.

Jena, Germany | 16 – 19 September

Register now for the conference. Early bird registration until 31 July 2019. The conference programm is now online.
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Cross-platform Optical Modeling and Design

[August 04, 2019]
The physical optics software VirtualLab Fusion is constructed as a platform to combine different in-built and customized field solvers to enable fast physical-optics simulation and design with ray tracing naturally embedded. This multi-solver concept is complemented by the possibility to use a cross-platform approach, where VirtualLab Fusion is accessed externally.
[August 04, 2019]

The physical optics software VirtualLab Fusion is constructed as a platform to combine different in-built and customized field solvers to enable fast physical-optics simulation and design with ray tracing naturally embedded. This multi-solver concept is complemented by the possibility to use a cross-platform approach, where VirtualLab Fusion is accessed externally.

The physical optics software VirtualLab Fusion is constructed as a platform to combine different in-built and customized field solvers to enable fast physical-optics simulation and design with ray tracing naturally embedded. This multi-solver concept is complemented by the possibility to use a cross-platform approach, where VirtualLab Fusion is accessed externally. In two examples we demonstrate an interaction with Matlab and Python. In this way, tools and algorithms from other programs or programming languages can be used to extend the options for simulation, optimization, design and post-processing.

The physical optics software VirtualLab Fusion is constructed as a platform to combine different in-built and customized field solvers to enable fast physical-optics simulation and design with ray tracing naturally embedded. This multi-solver concept is complemented by the possibility to use a cross-platform approach, where VirtualLab Fusion is accessed externally.
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Binary Grating Design Workflow

[July 22, 2019]
VirtualLab Fusion with its inbuilt Fourier modal method and different optimization algorithms, provides a complete user-friendly design workflow for binary gratings.
[July 22, 2019]

VirtualLab Fusion with its inbuilt Fourier modal method and different optimization algorithms, provides a complete user-friendly design workflow for binary gratings.

Binary gratings, with either straight or slanted side walls, have turned out to be the key components in many optical applications. Thanks to the advances in e.g. nanoimprint technology, the fabrication of this type of gratings with small, critical dimensions has become feasible. VirtualLab Fusion, with its inbuilt Fourier modal method (FMM, also known as RCWA) and different optimization algorithms, provides a complete user-friendly design workflow for binary gratings that also includes the subsequent analysis of fabrication errors, like rounded-edge effects.

VirtualLab Fusion with its inbuilt Fourier modal method and different optimization algorithms, provides a complete user-friendly design workflow for binary gratings.
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Diffractive Lenses

[July 11, 2019]
VirtualLab Fusion, with its Summer Release 2019, provides a complete workflow for the design and analysis of diffractive lenses.
[July 11, 2019]

VirtualLab Fusion, with its Summer Release 2019, provides a complete workflow for the design and analysis of diffractive lenses.

Diffractive lenses show great potential in various modern optical applications. VirtualLab Fusion, with its Summer Release 2019, provides a complete workflow for the design and analysis of diffractive lenses. It starts with the functional design of the wavefront phase response, which can also, alternatively, be imported from e.g. Zemax OpticStudio®, then includes the actual microstructured lens surface into the modeling, and supports the export of the lens structure for fabrication. As an example, the design and analysis of an intraocular lens is shown.

VirtualLab Fusion, with its Summer Release 2019, provides a complete workflow for the design and analysis of diffractive lenses.
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