Experiments of Negative-Index Refraction in Optical Frequency Region


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Recently, significant attention has been devoted to a new class of smart materials – so-called negative-index materials (NIM). There are some direct experimental demonstrations of NIM in the microwave frequency region, but not in optical frequency region. Here we report a kind of optical negative-index material which is 2D photonic crystal and, by measuring the refractive angle of the transmitted beam through a prism fabricated from this material, we determine the effective n. These experiments directly confirm this material is an optical negative-index one.



Edited by:

Yuri Chugui, Yongsheng Gao, Kuang-Chao Fan, Roald Taymanov and Ksenia Sapozhnikova




J. B. Chen et al., "Experiments of Negative-Index Refraction in Optical Frequency Region", Key Engineering Materials, Vol. 437, pp. 575-579, 2010

Online since:

May 2010




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