Full-space polarization conversion of electromagnetic waves at terahertz frequency based on metasurface

被引：2

作者：

Pan, Xunyong ^{[1
]}

Mao, Yingji ^{[1
]}

Zhu, Ziyi ^{[1
]}

Liu, Aoli ^{[1
]}

机构：

[1] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2022年 / 9卷 / 12期

关键词：

terahertz; metasurface; polarization converter; full-space; CONVERTER;

D O I：

10.1088/2053-1591/acacec

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a full-space electromagnetic wave polarization converter working in the terahertz frequency was put forward, and its physical mechanism was also analyzed. The polarization converter could realize the reflection cross-polarization conversion in the frequency range of 3.16-3.75 THz, with the Polarization Conversion Rate (PCR) of more than 90%. In the frequency range of 0.43-2.15 THz, it could realize transmission cross-polarization conversion, with the PCR close to 100%. In short, the designed metasurface polarization converter has a simple structure, realizes full-space manipulation of electromagnetic waves, facilitates the miniaturization and integration of the system, and has the potential applications in antennas, imaging systems, remote sensors, and radiometers.

引用

页数：13

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