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Modelling of Graded-Index Media

[Tuesday, 18. September 2018]

 


In optics, several effects like air turbulence or thermal effects in lasers may cause modulations in the refractive index which lead to so-called graded-index (GRIN) media.

This type of media can be useful in certain applications, e.g. flat lenses, reducing aberrations and fibers. The modeling of light propagation through GRIN media is therefore important for practical optical simulations and design. In VirtualLab Fusion an efficient modeling technology has been implemented which is suitable in the cases of e.g. GRIN lenses and GRIN fiber modeling.

To know more about VirtualLab Fusion technologies, please have a look here.

Construction and Modeling of a Graded-Index Lens

VirtualLab 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 field tracing.

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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 to a rigorous solver.

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