Journal
OPTICS EXPRESS
Volume 16, Issue 16, Pages 11822-11829Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.16.011822
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A chiral optical negative-index metamaterial design of doubly periodic construction for the near-infrared spectrum is presented. The chirality is realized by incorporating sub-wavelength planar silver-aluminasilver resonators and arranging them in a left-handed helical (i.e., stair-step) configuration as a wave propagates through the metamaterial. An effective material parameter retrieval procedure is developed for general bi-isotropic metamaterials. A numerical design example is presented and the retrieved effective material parameters exhibiting a negative index of refraction are provided. (c) 2008 Optical Society of America.
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