Invitation to LASER World of PHOTONICS

(June 12, 2017)

Our teams at Wyrowski Photonics and LightTrans are operating at full stretch for the last sprint in the preparation for the LASER World of PHOTONICS, which is taking place in Munich from June 26 till 29, 2017. We are very excited to inform you that this event will mark the unveiling of our momentous...

New on Youtube: "Getting Started" VirtualLab Fusion Tutorials

(April 04, 2017)

The channel is a common platform of the Applied Computational Optics Group of the Institute of Applied Physics (Friedrich-Schiller-University), and the companies Wyrowski Photonics and LightTrans International. Here we will provide you with short videos on the theory and concepts of an exciting new ...

VirtualLab training courses in Jena in September 2017

(March 02, 2017)

LightTrans offers its new VirtualLab training courses: "Introduction to VirtualLab Fusion", September 18-19, 2017 "Analysis and Design of Diffractive and Micro Optical Systems”, September 20-22, 2017 NEW: "Introduction to VirtualLab Programming”, September 25, 2017 Deadli...

New Features and Applications

Adaptive Laser-Beam Shaping by Spatial Light Modulators

(September, 2016) Spatial light modulators (SLM) create unlimited possibilities to control and to modulate laser light for new applications, including adaptive optics, super resolution microscopy, optical tweezers, laser-material processing and quantum optics. The software VirtualLab Fusion provides reliable, fast and flexible tools for the design of adaptive laser beam shaping systems.  [more...]

Education Package of VirtualLab Fusion Software for Academic Institutions

(August, 2016) The education package of VirtualLab Fusion allows you to enhance the quality of your lectures in optics. The software provides tools for the investigation of basic and advanced physical effects as well as the solution of complex design problems for a wide range of applications: [more...]

Design and Analysis of Laser Scanners Containing Scanning Mirrors and F-Theta Lens Optics

(August, 2016) The software VirtualLab Fusion provides ray tracing as well as physical optics based simulation techniques for laser scanning systems. Typical lens aberrations like field curvature and distortion can be computed. It is also possible to perform a highly precise investigation of the beam size and beam profile including diffraction effects. Design and tolerancing of laser scanning systems are enabled by the parametric optimization and parameter run tools of VirtualLab. [more...]

Analysis and Tolerancing of Optical Measurement Systems

(July, 2016) Several optical measurement principles are based on the wave nature of light. Typical devices are interferometers, spectrometers & monochromators and surface metrology systems. The software VirtualLab Fusion enables the simulation and the tolerancing of such measurement systems. Most setups are characterized by effects like diffraction, interference and temporal as well as spatial coherence. The field tracing engines of VirtualLab take into account these physical optics effects yielding a fast and accurate modeling of measurement systems. [more...]

Design of Laser Beam Delivery Systems beyond Ray Tracing

(June, 2016) The design of refractive lens and mirror systems is the basis for laser beam control like collimation, focusing, beam guidance, laser scanners and transversal beam shaping. The software VirtualLab Fusion enables the further performance improvement of such laser systems obtained from a ray tracing design. This is possible by parametric optimization and Monte-Carlo tolerancing techniques in combination with the unique field tracing simulation engine, which takes physical optics effects like beam diffraction and polarization into account. [more...]

Spatiotemporal Modeling of Ultrashort Pulse Laser Systems

(April, 2016) The efficient design and a tolerance analysis of pulsed laser systems requires powerful and physically accurate software tools. Effects like material dispersion, polarization and diffraction, e.g. in focal regions, have to be included. VirtualLab provides fast and accurate physical optics models for the spatiotemporal simulation of ultrashort laser pulses. Tools for the shaping of laser pulses and for the comfortable display of the results are included, see our newsletter.

Generation of Large Angle Light Patterns

(March, 2016) VirtualLab Fusion provides powerful Tools for the optimization of high NA diffractive optical elements for the generation of arbitrary 2D light patterns with very large angles. Our newsletter gives you an overview about applications and scenarios demonstrating how high NA DOEs can be optimized by VirtualLab Fusion.

Fully vectorial laser resonator modeling of continuous-wave solid-state lasers including rate equations, thermal lensing and stress-induced birefringence

(July, 2015) Together with our colleagues from the Friedrich-Schiller-University, LightTrans International has published a peer-review article "Fully vectorial laser resonator modeling of continuous-wave solid-state lasers including rate equations, thermal lensing and stress-induced birefringence" in Optics Express. The article demonstrates the inclusion of realistic active medida in the laser resonator simulation. All simunlations in the article were performed by VirtualLab's Starter and Resonator Toolbox. Click here to download the article.

Optical Engineering of Customized Holographic Screens for Head-Up-Display (HUD) Applications

(June, 2015) LightTrans offers optical engineering and prototyping of foils with customized scattering properties to diffuse light emitted by a projector unit towards an observer with a high efficiency. Click here to download the product newssheet.

Simulation of birefringence effects on the dominant transversal laser resonator mode

(May, 2015) Together with our colleagues from the Friedrich-Schiller-University, LightTrans International has published a peer-review article “Simulation of birefringence effects on the dominant transversal laser resonator mode caused by anisotropic crystals” in Optics Express. The article demonstrates the inclusion of anisotropic crystals in the laser resonator simulation. All simulations in the article were performed by VirtualLab’s Starter and Resonator Toolbox. Click more to download the article. [more...]

Pattern Generation Using Deformable Mirrors

(March, 2015) Iris AO and LightTrans have partnered to integrate the optics design software VirtualLab into Iris AO deformable mirrors to provide advanced control and simulation features in your optical setup. The new Iris-VirtualLab feature allows shaping mirrors in zonal and modal modes, as well as shaping for beam correction, beam splitting, and other beam converting applications [more...]

Active Materials Simulation

(February, 2015) Integrating SimphoSOFT with VirtualLab enables unlimited flexibility to simulate and design passive and active devices. SimphoSOFT modules focus on complex nonlinear interactions of light with gain or highly absorptive materials while VirtualLab offers a powerful field tracing design tool for modeling devices [more...]

Modeling of realistic multimode lasers

(October,2014) VirtualLab can simulate a wide range of light sources based on an electromagnet model. A new application scenario demonstrates how the radiation characteristics of a real multimode laser source, e.g. a diode laser or an excimer laser, can be implemented in VirtualLab. [more...]

Modeling of Michelson interferometer

(October, 2014) VirtualLab can be used to simulate and optimize a Michelson interferometer. In the new application scenario we demonstrate the modeling and analysis of a Michelson interferometer which is illuminated by a single mode laser beam. The interferometer has a two plane end mirrors. A mirror is tilted by 0.01 degree to the optical axis. [more...]

Imaging with microlens array

(June, 2014) LightTrans provides comfortable tools for the simulation of microlens arrays. Periodization can be applied to any optical interface. This application scenario shows the modeling of a simple imaging system containing a spherical lens and a microlens array. [more...]

Shaping and homogenization of coherent and partially coherent light

(June, 2014) The shaping and homogenization of partially coherent light, as for example, of Excimer lasers and of LEDs, by micro structured optical components is of increasing importance in various fields including material processing, medical engineering, automotive and illumination. Especially light diffusing micro structures enable optical illumination systems with a low sensitivity for variations of the illuminating light distribution and for the component alignment. The seminar gives an introduction into VirtualLab™ toolboxes and concepts for shaping and homogenization of coherent and partially coherent light. We will introduce arrays of grating cells, prism cells, mirrors cells as well as diffractive diffusers and micro lens arrays for shaping and homogenization of monochromatic and polychromatic partially coherent light. [more...]

Compensation of dispersion for fs-pulses

(April, 2014) A Gires-Tournois Interferometer (GTI) can be used for the compensation of dispersion for fs-pulses. VirtualLab provides a model for an ideal GTI. In the examples, the GTI is used to produce the desired positive or negative group delay dispersion by varying its design parameters.It is shown how the Parameter Run can be used to optimize the design parameters of the GTI. [more...]

Rigorous grating analysis for parabasal illumination beams

(December, 2013) VirtualLab™ allows the rigorous wave-optical analysis of gratings illuminated by parabasal or paraxial beams based on the parabasal FMM algorithm. [more...]

Simulation of ideal fs-pulse stretcher and compressor

(December, 2013) LightTrans VirtualLab™ provides an idealized model for the simulation of grating stretchers and compressors for fs-pulse shaping. [more...]

Webinar: Laser resonator modeling with VirtualLab™ 5.8

(November, 2013) The transversal mode analysis of stable, unstable and ring resonators using VirtualLab™ 5.8 is discussed. It is shown how inhomogeneous pump light distribution and thermal lensing is affecting the output beam quality and power. [more...]

Wave-optical simulation of an off-axis telescope

(August, 2013) VirtualLab allows the the wave-optical analysis of an optical system with tilted and shifted components. An example for such a system is an F/4 Reflective Schmidt telescope. [more...]

Export to STL format

(August, 2013) VirtualLab™ can export optical systems, components, and interfaces into the STL format. It is also possible to extrude interfaces to solids. [more...]

Stable and convenient programming interface

(August, 2013) The new LightTrans.Programming.DLL provides easy access to those functions of the VirtualLab API most often required by programmers using VirtualLab™. This DLL can be updated by LightTrans on request by users independent of releases of VirtualLab. [more...]

Tolerancing in VirtualLab

(August, 2013) All real and ideal components in a Light Path Diagram allow shift and orientation tolerancing. In contrast to the normal positioning, tolerancing does not alter the positon and orientation of subsequent elements. [more...]

Mode analysis of laser ring resonators

(July, 2013) This application scenario demonstrates a novel resonator round-trip operator concept, which allows the wave-optical eigenmode analysis of laser ringresonators in VirtualLab™. [more...]

Simulation of basic imaging system

(July 2013) A spherical lens is used to image the two dimensional object. The image will be simulated and the dependency on the lens aperture diameter will be investigated. [more...]

Parametric optimization of achromatic beam expander

(July 2013) VirtualLab allows the parametric optimization of a real achromatic beam expander. The optical setup is simulated by the Collins Integral. [more...]

Simulation of space frequency filter by 4f-setup

(July 2013) An image filter can be constructed by two 2f-setups and an aperture. The simulation of this space frequency filter system can be done using ideal or real optical components. Both is demonstrated in this application scenario. [more...]

Analysis and optimization of antireflection moth-eye structures

(June 2013) VirtualLab™ allows the optimization of sub-wavelength structures to obtain a broadband antireflection effect, which is insensitive to different angle of incidence. [more...]

Design of LED light shaping systems with VirtualLab™

(June, 2013) VirtualLab™ provides analysis and design tools for LED light shaping systems including diffraction, interference and partial coherence. Micro-structured and diffractive components are at the core of our approaches. [more...]

Transversal mode analysis and output power calculation for stable, unstable and ring resonators

(May, 2013) Based on field tracing, VirtualLab provides a plenty of different vectorial simulation techniques like wave-optical free-space propagation techniques, split-step method, geometrical optics, Collins integral and many more for the eigenmode analysis of resonators. [more...]