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Software Solutions for AR & VR, Gratings, Diffractive and Metalenses, DOE’s

05-28-2019 06:32 PM CET | IT, New Media & Software

Press release from: LightTrans International UG

LightTrans Connecting Technologies

LightTrans Connecting Technologies

VirtualLab Fusion release with plenty exciting new physical-optics features

Jena, Germany | June 2019
The German software producer LightTrans International will present the new summer release 2019 of its Fast Physical Optics software VirtualLab Fusion at LASER World of Photonics 2019 in hall B1 at booth 209. The update provides new and improved solutions in applications like lightguide modeling and design for AR & VR glasses; diffractive- and metalens modeling and design; modeling of lens systems including gratings and microstructures; as well as for numerous other fields of application like microscopy, fiber coupling, and interferometry. Additionally, all the benefits listed above are now also accessible via customized external code, e.g. Python, with VirtualLab Fusion generating the physical-optics results in the background.

Augmented & Virtual Reality
Augmented- and mixed-reality glasses based on lightguide technology are currently of great interest, not least because of the pioneering work done by Microsoft™ and its HoloLens project. “LightTrans presents, with its VirtualLab AR & VR Solutions Package, the only commercially available solution on one platform which provides a fast and accurate physical-optics modeling of AR & VR lightguides including all relevant effects like diffraction, polarization, interference, and coherence,” explains Frank Wyrowski, president of LightTrans.
In addition, with its new release, the company includes an amazing design technology, which provides experts with a fast way to obtain designs for further investigation, and all companies, even those without a team of top experts in grating theory and lightguide technology, solid access to this fascinating AR & VR glass technology.

The inclusion of gratings in lens systems is not only of concern for AR & VR but for many more applications. VirtualLab Fusion comes with new grating components which can be included in any lens system while at the same time being modeled by electromagnetic methods.

Diffractive lenses
Diffractive lenses enable flat compact optics but require sophisticated modeling and design technology in order to judge their applicability as part of an optical system. This newest version of VirtualLab Fusion provides a fast electromagnetic modeling approach for diffractive lenses, together with lens structure design and fabrication data export. It also allows for the usage of binary surfaces from Zemax® OpticStudio®.

Metalenses seem to be a great candidate to go a step further in flat optics. Instead of using local gratings, as is the case with diffractive lenses, in metalenses nanostructures are used to control the local effects. VirtualLab Fusion adds an electromagnetic modeling and design technique to investigate the functionality of metalenses in optical systems.

Diffractive Optical Elements (DOE) and Diffusers
In its new version VirtualLab Fusion provides a new micro structured component which applies a more sophisticated modeling technique. It facilitates the simulation of micro structured surfaces, not only in the paraxial, but also in the non-paraxial, domain. This is of great importance for applications in illumination and sensors, e.g. for face recognition. While, traditionally, diffractive optics was introduced for paraxial, low-divergence scenarios, the increasing number of new applications for DOE’s and diffusers require the generalization of modeling and design techniques. Michael Höschel, General Manager of LightTrans emphasizes: “We are preparing the release of various new techniques in VirtualLab Fusion and new services for those applications in 2019. The first batch of new technologies will be presented at LASER World of Photonics 2019.”

LightTrans International UG
LightTrans offers solutions for the entire development cycle of optical components. Our products and services include optical design software, optical engineering, training and consulting. All the products and services of LightTrans are based on the physical-optics design software VirtualLab Fusion developed and produced by Wyrowski Photonics, which provides ray tracing and fast physical optics methods.
More information at

LightTrans International UG
Irene Kopp
Kahlaische Straße 4
07745 Jena, Germany
Phone +49.3641.53129-54
Fax +49.3641.53129-01
Mail irene.kopp(at)

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