A multifunctional metasurface with asymmetric transmission and high-efficiency cross-polarization converter

被引：4
作者：
Fu, Yang [1 ]
Cheng, Houyuan [1 ]
Wu, Jiong [1 ]
Li, Yujun [1 ]
Dai, Yilin [1 ]
Wen, Dinge [2 ]
Yang, Helin [1 ]
机构：
[1] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China
[2] China Ship Dev & Design Ctr, Sci & Technol Electromagnet Compatibil Lab, Wuhan 430064, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2022年 / 132卷 / 22期
关键词：
BROAD-BAND; CONVERSION; METAMATERIAL;
D O I：
10.1063/5.0129111
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A three-layer multifunctional metasurface structure is proposed to achieve polarization rotation, perfect polarization conversion, and asymmetric transmission. The design consists of mutually perpendicular rectangular patches, metal pillars, and open-slit metal sheets. By propagating the current through the metal pillars and changing the surface current direction, the dipole can be orthogonally steered to accomplish polarization conversion. The metal in the middle layer can be used to both improve the polarization conversion ratio and ensure high transmittance. The operating band of asymmetric transmission is 8.3-14.7 GHz, where the conversion ratio is above 90% in all of 9-14.2 GHz. In order to verify the proposed concept, the related parameters are designed and measured, the final experimental results match with the simulation results, and the design can be used in the radome, electromagnetic stealth. Published under an exclusive license by AIP Publishing.
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页数：8
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