期刊
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
卷 3, 期 2-3, 页码 107-115出版社
ELSEVIER
DOI: 10.1016/j.photonics.2005.09.008
关键词
negative refraction; chiral media; effective parameters
Possibilities to realize a negative refraction in chiral composites in dual-phase mixtures of chiral and dipole particles are studied. It is shown that because of a strong resonant interaction between chiral particles (helices) and dipoles, there is a stop band in the frequency area where the backward-wave regime is expected. The negative refraction can occur near the resonant frequency of chiral particles. Resonant chiral composites may offer a root to realization of negative-refraction effect and superlenses in the optical region. (c) 2005 Elsevier B.V. All rights reserved.
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