EM Explorer - 3D FDTD EM Solver

Superlens with Negative Index Material (NIM) Slab

This example simulates superlens imaging of periodic slits in a metal film illuminated by a planewave. The superlens is a slab of negative index material (NIM). Note in the instant fields animations, the EM field phase in the NIM slab moves in the opposite direction of that in air.

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Geometry

Ex instant field

Ex amplitude

Ey instant field

Ey amplitude