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This example shows a workflow to set up and simulate an exit pupil expander (EPE), which is an important component for a waveguide-type augmented reality (AR) device. This workflow will utilize the

dynamic link function between Lumerical and Zemax OpticStudio

. To use the dynamic link, parametric models for 2D hexagonal cylinder and 1D slant gratings are constructed in Lumerical. On the other hand, the whole imaging system is built in Zemax OpticStudio. During raytracing, when a ray hits the grating, Zemax OpticStudio will automatically call Lumerical to calculate the exact electric field response, which allows an accurate evaluation of the system.
Read the full article here: https://optics.ansys.com/hc/en-us/articles/9084380749587