Wide-band circular polarization-keeping reflection mediated by metasurface

被引：31

作者：

Li Yong-Feng ^{[1
]}

Zhang Jie-Qiu ^{[1
]}

Qu Shao-Bo ^{[1
]}

Wang Jia-Fu ^{[1
]}

Zheng Lin ^{[1
]}

Zhou Hang ^{[1
]}

Xu Zhuo ^{[2
]}

Zhang An-Xue ^{[3
]}

机构：

[1] Air Force Engn Univ, Coll Sci, Xian 710005, Peoples R China

[2] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Peoples R China

[3] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Peoples R China

来源：

CHINESE PHYSICS B | 2015年 / 24卷 / 01期

基金：

中国国家自然科学基金;

关键词：

polarization-keeping reflection; left-hand (right-hand) circular polarization; reflective metasurface; axial ratio;

D O I：

10.1088/1674-1056/24/1/014202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we show that circular polarization-keeping reflection can be achieved using reflective metasurfaces. The underlying physical mechanism of the polarization-keeping reflection is analyzed using a reflection matrix. A wideband circular polarization-keeping reflector is demonstrated using N-shaped resonators. Both the simulation and experiment results show that the polarization-keeping reflection can be achieved with a high efficiency larger than 98% over the frequency range from 9.2 GHz to 17.7 GHz for both incident left-and right-handed circularly polarized waves. Under oblique incidence, the bandwidth increases as the incident angle varies from 0 degrees to 80 degrees. Moreover, the co-polarization reflection is independent of the incident azimuth angles.

引用

页数：7

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