comsol demonstrates how to set up a spatially varying dielectric distribution, such as might be engineered with a metamaterial. Here, a convex lens shape is defined via a known deformation of a rectangular domain. The dielectric distribution is defined on the undeformed, original rectangular domain and is mapped onto the deformed shape of the lens. Although the lens shape defined here is convex, the dielectric distribution causes the incident beam to diverge.

models.woptics.mapped_metamaterial_distribution\mapped_metamaterial_distribution.mph
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models.woptics.mapped_metamaterial_distribution

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