Transmissive 2-bit anisotropic coding metasurface

被引：0
|
作者：
来鹏涛 [1 ]
李增霖 [1 ]
王炜 [1 ]
曲嘉 [2 ]
吴良威 [3 ]
吕婷婷 [1 ,4 ]
吕博 [1 ]
朱正 [1 ]
李玉祥 [1 ]
关春颖 [1 ]
马慧锋 [3 ,5 ]
史金辉 [1 ]
机构：
[1] Key Laboratory of In-Fiber Integrated Optics of Ministry of Education College of Science Harbin Engineering University
[2] College of Aerospace and Civil Engineering Harbin Engineering University
[3] State Key Laboratory of Millimeter Waves School of Information Science and Engineering Southeast University
[4] School of Electronic Science Northeast Petroleum University
[5] Synergetic Innovation Center of Wireless Communication Technology Southeast University
来源：
Chinese Physics B | 2022年 / 09期
基金：
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TB34 [功能材料]; O441.4 [电磁波与电磁场];
学科分类号：
080501 ; 0809 ;
摘要：
Coding metasurfaces have attracted tremendous interests due to unique capabilities of manipulating electromagnetic wave.However,archiving transmissive coding metasurface is still challenging.Here we propose a transmissive anisotropic coding metasurface that enables the independent control of two orthogonal polarizations.The polarization beam splitter and the orbital angular momentum(OAM) generator have been studied as typical applications of the anisotropic 2-bit coding metasurface.The simulated far field patterns illustrate that the x and y polarized electromagnetic waves are deflected into two different directions,respectively.The anisotropic coding metasurface has been experimentally verified to realize an OAM beam with l=2 of right-handed polarized wave,resulting from both contributions from linear-to-circular polarization conversion and the phase profile modulation.This work is beneficial to enrich the polarization manipulation field and develop transmissive coding metasurfaces.
引用
收藏
页码：592 / 598
页数：7
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