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Opt Express. 2012 Jul 30;20(16):17581-90. doi: 10.1364/OE.20.017581.

Highly-dispersive electromagnetic induced transparency in planar symmetric metamaterials.

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1
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China.

Abstract

We propose, design and experimentally demonstrate highly-dispersive electromagnetically induced transparency (EIT) in planar symmetric metamaterials actively switched and controlled by angles of incidence. Full-wave simulation and measurement results show EIT phenomena, trapped-mode excitations and the associated local field enhancement of two symmetric metamaterials consisting of symmetrically split rings (SSR) and a fishscale (FS) metamaterial pattern, respectively, strongly depend on angles of incidence. The FS metamaterial shows much broader spectral splitting than the SSR metamaterial due to the surface current distribution variation.

PMID:
23038311
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