Dual-polarization and dual-mode orbital angular momentum radio vortex beam generated by using reflective metasurface

被引:76
|
作者
Yu, Shixing [1 ]
Li, Long [1 ]
Shi, Guangming [1 ]
机构
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Sch Elect Engn, Collaborat Innovat Ctr Informat Sensing & Underst, Xian 710071, Peoples R China
基金
中国国家自然科学基金;
关键词
COMMUNICATION; WAVES; LIGHT; ARRAY;
D O I
10.7567/APEX.9.082202
中图分类号
O59 [应用物理学];
学科分类号
摘要
A metasurface, which is composed of printed cross-dipole elements with different arm lengths, is designed, fabricated, and experimentally demonstrated to generate orbital angular momentum (OAM) vortex waves of dual polarizations and dual modes in the radio frequency domain simultaneously. The prototype of a practical metasurface is fabricated and measured to validate the results of theoretical analysis and design at 5.8GHz. Numerical and experimental results verify that vortex waves with dual OAM modes and dual polarizations can be flexibly generated by using a reflective metasurface. The proposed method paves a way to generate diverse OAM vortex waves for radio frequency and microwave wireless communication applications. (C) 2016 The Japan Society of Applied Physics
引用
收藏
页数:4
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