Generation of a microwave beam with both orbital and spin angular momenta using a transparent metasurface

被引：14
|
作者：
Shi, Hongyu [1 ]
Wang, Luyi [1 ]
Chen, Xiaoming [1 ,3 ]
Zhang, Anxue [1 ]
Xu, Zhuo [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Xian 710049, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Minist Educ, Key Lab, Elect Mat Res Lab, Xian 710049, Shaanxi, Peoples R China
[3] State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2019年 / 126卷 / 06期
基金：
中国国家自然科学基金;
关键词：
LIGHT;
D O I：
10.1063/1.5109291
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, transparent metasurfaces generating microwave beams with both orbital angular momentum (OAM) and spin angular momentum (SAM) are proposed. A multilayered metasurface unit cell was designed for simultaneously manipulating the transmission phase and polarization state of a linearly polarized incident wave around 4.6GHz. Using such unit cell design, the proposed metasurfaces can introduce additional SAM and OAM to the transmitted wave by linear-to-circular polarization conversion and vortex transmission phase distributions. The simulation and measurement results are in good agreement with each other and demonstrate the generation of microwave beams with both OAM and SAM.
引用
收藏
页数：7
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