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Figure 1

From: Resonant Transparency and Non-Trivial Non-Radiating Excitations in Toroidal Metamaterials

Figure 1

Toroidal metamaterial.

(a) Poloidal currents flowing on a surface of a torus along its meridians create toroidal dipole moment T. (b) Metal screen with a dumbbell-shaped aperture is the structural element of toroidal metamaterial. Dashed arrow m represents axis of its mirror symmetry. (c) Photograph of the assembled metamaterial slab, an array of 15 × 16 toroidal aperture-based metamolecules. Inset shows a close-up view of one of the array's column with 8-fold symmetry.

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