负折射率材料的电磁特性与研究进展

Development and Electromagnetic Properties of Negative Index of Refractive Materials

负折射率材料具有异常的物理性质,可克服当前天线、通信等领域遇到的一些限制,已成为人工电磁材料的研究热点,越来越受到人们的重视。本文首先评述了目前常见的负折射率材料的概念及其电磁特性;其次,重点综述了负折射率材料的分析方法和研究现状;最后,讨论了负折射率材料在天线、雷达、光电器件等领域的发展方向。

Negative-index refraction materials exhibit novel physical properties,and can overcome some of the limitations in current antenna,communication and other areas,and has become the focus of artificial electromagnetic materials research,more attention has been paid.Firstly,this paper reviews the concept of the common negative-index refraction materialsand their electromagnetic properties.Secondly,summarizes the analytical methods and research situations.Finally,we discuss the development direction of the negative-index refraction materinls in the field of antennas,radar,and optoelectronic devices.