Experimental observation of left-handed transmission in a bilayer metamaterial under normal-to-plane propagation

Date

2006

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Source Title

Optics Express

Print ISSN

10944087

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Optical Society of American (OSA)

Volume

14

Issue

19

Pages

8685 - 8693

Language

English

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Abstract

We demonstrate experimentally the double-negative (ε < 0, μ < 0) transmission band of a one-dimensional metamaterial structure under normal-to-plane propagation in the microwave regime. The structure consists of stacked bilayers of metal cutwire and wire pairs, which are separated by a thin dielectric layer. The existence of the negative index of refraction is inferred from the transmission and phase spectra obtained by using multilayer metamaterial samples. Another metamaterial structure incorporating non-magnetic (electrically shorted) cutwire pairs does not exhibit the corresponding transmission band, which supports the true lefthanded behavior of the metamaterial. © 2006 Optical Society of America.

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Published Version (Please cite this version)