Meander-line based high-efficiency ultrawideband linear cross-polarization conversion metasurface

被引：14
|
作者：
Liu, Chuan [1 ]
Gao, Renjing [1 ]
Liu, Shutian [1 ]
Shi, Pengfei [2 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
[2] Dalian Maritime Univ, Maritime Elect Engn Coll, Dalian 116023, Peoples R China
来源：
APPLIED PHYSICS EXPRESS | 2021年 / 14卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Cross-polarization conversion; Electromagnetic waves; Meander-line based structure; Metasurface; Ultrawideband; WIDE-BAND; ROTATION;
D O I：
10.35848/1882-0786/ac0b06
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, a single-layer ultrawideband polarization conversion metasurface with high-efficiency is proposed. The top metallic structure is formed by folding the L-shaped structure in meanders, which can produce additional resonances and reduce the resonant frequency. Therefore, ultrawideband polarization conversion is realized (ranging from 7.79 to 30.22 GHz, covering C-, X-, Ku-, K-, and Ka-bands) with high polarization conversion ratio (>0.9), and the relative bandwidth is up to 118.02%. Numerical simulations are well supported by experimental measurements. The designed ultrawideband metasurface may have potentials in imaging systems and microwave communications.
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页数：4
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