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. Within this use case we will show how easy it is to configure a graded-index lens in VirtualLab and show also simulation results for analysis by different propagation engines. For the illustration of this technology a simple setup is used, which includes a spherical wave, a graded-index lens component and a detector to show the electromagnetic field component in the focus and directly after the lens.

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