Multiband Efficient Asymmetric Transmission With Polarization Conversion Using Chiral Metasurface

被引：53

作者：

Khan, M. Ismail ^{[1
,2
]}

Hu, Bin ^{[1
]}

Chen, Yixiao ^{[1
]}

Ullah, Naeem ^{[1
]}

Khan, Muhammad Junaid Iqbal ^{[1
,3
]}

Khalid, Ataur Rehman ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Opt & Photon, Beijing 100081, Peoples R China

[2] COMSATS Univ Islamabad, Dept Elect Engn, Attock Campus, Islamabad 44000, Pakistan

[3] Bahauddin ZakariyaUnivers, Dept Phys, Multan 60800, Pakistan

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2020年 / 19卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Polarization; Electromagnetics; Metamaterials; Holography; Numerical stability; Stability analysis; Chiral; circular polarization; linear polarization; metasurface; METAMATERIAL;

D O I：

10.1109/LAWP.2020.2991521

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, multiband efficient asymmetric transmission is realized both numerically and experimentally in the microwave frequency regime, using a three-layered chiral metasurface (CMS). The proposed structure achieves propagation direction dependent polarization transformation where the plane of polarization is rotated by 90 degrees for x/y polarization in the backward/forward direction. The asymmetric polarization transformation functionality for linearly polarized impinging waves is accomplished in three frequency bands: 10.9-11.2 GHz, 14.4-14.8 GHz, and 18.4-18.5 GHz. Moreover, the structure has a robust response to the variation of incidence angle (up to 40 degrees). The measurement results of the fabricated structure are found to be in good agreement with the numerical results.

引用

页码：1137 / 1141

页数：5

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