Flexible Region Definition

In VirtualLab Fusion, the concept of “region” (understood as a finite area defined on a plane, occasionally also 1D) is used for several purposes across the software: to determine the desired optimization region for the IFTA or the evaluation area for the Diffractive Optics Merit Functions detector, but also to define grating regions on the surfaces of light guides to perform the function, for instance, of couplers. To cover all of the above without restricting our users, the configuration of regions in VirtualLab Fusion is extremely flexible, with several off-the-shelf options as well as importing capabilities. In this use case we go over the process of region configuration in detail. 

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