Asymmetric chiral metamaterial circular polarizer based on twisted split-ring resonator

被引：27
|
作者：
Cheng, Yong Zhi [1 ,2 ]
Nie, Yan [1 ]
Cheng, Zheng Ze [2 ]
Wang, Xian [1 ]
Gong, Rong Zhou [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[2] Hubei Univ Sci & Technol, Sch Elect & Informat Engn, Xianning 437100, Peoples R China
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2014年 / 116卷 / 01期
基金：
中国国家自然科学基金;
关键词：
WIDE-VIEW;
D O I：
10.1007/s00340-013-5659-z
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An asymmetric chiral metamaterial (CMM) circular polarizer based on bilayer twisted split-ring resonator structure was proposed and investigated. Both numerical simulations and experiments reveal that when a y-polarized wave is incident on this CMM propagating along backward (-z) direction, the two linear components of the transmitted wave have nearly equal amplitudes and 90A degrees(-90A degrees) phase difference at the resonant frequencies. This means that the right-hand circular polarization and left-hand circular polarization are realized in transmission at 6.4 and 8.1 GHz, respectively. The surface current distributions are studied to illustrate the transformation behavior for both circular polarizations. Further, the influences of the structural parameters of the circular polarizer to the transformation transmissions spectra have been investigated numerically.
引用
收藏
页码：129 / 134
页数：6
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