Triple-band polarisation-independent metamaterial absorber at mm wave frequency band

被引：26

作者：

Deng, Guangsheng ^{[1
]}

Xia, Tianyu ^{[1
]}

Yang, Jun ^{[1
]}

Yin, Zhiping ^{[1
]}

机构：

[1] Hefei Univ Technol, Acad Photoelect Technol, Hefei, Anhui, Peoples R China

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2018年 / 12卷 / 07期

基金：

中国国家自然科学基金;

关键词：

electromagnetic wave absorption; millimetre wave materials; dielectric materials; microwave metamaterials; triple-band polarisation-independent metamaterial absorber; mm wave frequency band; periodic unit cells; dielectric substrate; polyimide film; absorption mechanisms; full-wave simulation; electric field; surface current; power loss distributions; transverse electric-polarised normal incident wave; distinctive absorption peaks; wave polarisation; frequency; 101; 25; GHz; 108; 75; 129;

D O I：

10.1049/iet-map.2017.0126

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：

The authors present a triple-band metamaterial absorber operating at mm wave frequency band. The absorber is composed of periodic unit cells, which consists of a new pattern and a ground plane, placed in two sides of a dielectric substrate made of polyimide film. To best understand the absorption mechanisms, full-wave simulation results for the electric field, surface current, and power loss distributions are presented. The experimental results, for a transverse electric-polarised normal incident wave, show three distinctive absorption peaks, at frequencies 101.25, 108.75, and 129GHz with absorptivities of 92.5, 94.9, and 88.6%, respectively. The absorber is independent of the wave polarisation, where high absorption is achieved for a wide range of oblique angles of incidence.

引用

页码：1120 / 1125

页数：6

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