手征超常介质结构及其强旋光性和负折射率

摘要

The basic principle of negative refractive index in chiral metamaterial is introduced. The structure models of several chiral metamaterials are described. The research advances of the optical activity, circular dichroism and negative refractive index for the chiral metamaterials in microwave region, infrared and visible light region are reviewed. The problems of losses and homogeneity in the chiral metamaterials are pointed out.%介绍了手征超常介质产生负折射率的基本理论,概括了目前几种常见的手征超常介质的结构模型,综述了手征超常介质结构的旋光性和圆二色性,以及手征超常介质在微波段、红外及可见光频段的负折射特性研究进展,指出了手征超常介质结构的损耗和均匀性问题.