It is vital in design to be able to include in your simulation not only those properties or components that play an intentional, wanted role in the system, but also, and with particular care, those effects which have the potential to interfere with its intended purpose, in order to quantify and, if possible, avoid them.

Below we show two examples of VirtualLab’s potential in this area: all thanks to its fast and accurate approach, and an interface that allows you both to import measured data (from, e.g., ANSYS) or to include the effects via readily available or customized mathematical models.

Gaussian Beam Focused by a Thermal Lens

The variation of the focal length due to thermal lens effect and the changes of focal spot diameter are demonstrated with respect to the input laser power.

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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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Graded-index, or GRIN, media are employed in optics to construct, among other components, lenses and multimode fibers. In VirtualLab you can easily choose to include GRIN media as part of your optical system, as it includes a fast and accurate modeling technique accompanied by a user-friendly interface that makes setting up the GRIN component a really easy task.

Find out more through our examples below!

Construction and Modelling of Graded-Index (GRIN) Lens

VirtualLab allows 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 field tracing.

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Modelling of Graded-Index (GRIN) Multimode Fiber
 
A fast approach for light propagation through GRIN medium, which includes the polarization crosstalk effect, is implemented, and its validity and advantages are shown in comparison with rigorous solver.

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The anisotropic properties of crystals find applications in optics for plenty of purposes, particularly when it comes to manipulating the polarization properties of light. VirtualLab gives you the possibility to rigorously include both uniaxial and biaxial crystals in your optical system without sacrificing simulation speed.

Below we present two examples: Polarization Conversion in Uniaxial Crystals, and Conical Refraction in Biaxial Crystal

Polarization Conversion in Uniaxial Crystals

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

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Conical Refraction in Biaxial Crystals

With the fast-physical-optics simulation technique in VirtualLab, conical refraction from a KGd crystal is demonstrated.

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