Three-dimensional spatially curved local Bessel beams generated by metasurface

被引：0
|
作者：
Liu, Dawei [1 ]
Wu, Jiawen [1 ]
Cheng, Bo [2 ]
Li, Hongliang [1 ]
机构：
[1] Beihang Univ, Sch Elect & Informat Engn, Beijing 100191, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2018年 / 112卷 / 11期
关键词：
D O I：
10.1063/1.5020925
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We propose a reflective metasurface based on an artificial admittance modulation surface to generate three-dimensional spatially curved beams. The phase acquisition utilized to modulate this sinusoidally varying surface admittance combines the enveloping theory of differential geometry and the method for producing two-dimensional Bessel beams. The metasurface is fabricated, and the comparison between the full-wave simulations and experimental results demonstrates good performance of three-dimensional spatially curved beams generated by the metasurface. Published by AIP Publishing.
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页数：4
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