Cylindrical holographic impedance metasurface for OAM vortex wave generation

被引：22
作者：
Wang, Heng [1 ]
Yu, Shixing [1 ]
Kou, Na [1 ]
Ding, Zhao [1 ]
Zhang, Zhengping [1 ]
机构：
[1] Guizhou Univ, Coll Big Data & Informat Engn, Engn Res Ctr Semicond Power Device Reliabil Minist, Key Lab Micronano Elect & Software Technol Guizhou, Guiyang 550025, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2022年 / 120卷 / 14期
基金：
中国国家自然科学基金;
关键词：
ORBITAL-ANGULAR-MOMENTUM;
D O I：
10.1063/5.0082907
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this Letter, we present a cylindrical conformal holographic impedance metasurface for orbital angular momentum (OAM) generation. The conformal holographic metasurface is designed by establishing the element library and deducing the formula of holographic tensor impedance modulation. The feasibility of the scheme is verified by simulations and experiments. Simulated and experimental results are in good agreement with theoretical analysis. The results show that OAM vortex wave energy can be generated efficiently by a cylindrical conformal impedance metasurface, which can provide a reference for OAM communication and vortex radars with conformal devices. Published under an exclusive license by AIP Publishing.
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页数：5
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