Ultra-broadband metamaterial absorbers based on spoof surface plasmon polaritons structure

被引：8

作者：

Zhou, Shiyun ^{[1
]}

Liang, Xinglei ^{[1
]}

Xing, Jiaqi ^{[1
]}

Fan, Yudi ^{[1
]}

Zhang, Ling ^{[1
]}

Li, Da ^{[1
]}

Li, Er-Ping ^{[1
]}

机构：

[1] Zhejiang Univ, Key Lab AMESS, Dept Informat Sci & Elect Engn, Hangzhou, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2022年 / 64卷 / 03期

基金：

中国国家自然科学基金;

关键词：

absorber; angular stability; metamaterial; spoof surface plasmon polaritons; ultra-broadband absorption;

D O I：

10.1002/mop.33148

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：

Inspired by the dispersion engineering of spoof surface plasmon polaritons, in this paper, a comprehensive scheme is proposed, which firstly develops a plasmonic absorbing structure (PAS) with wide absorption band and high angular stability. The PAS unit cell is composed of a graded metallic strip array printed on a dielectric grid and backed with a metal ground. It realizes wideband absorption in the frequency range of 18-37 GHz. Moreover, a commercial absorbing film is further integrated with the proposed PAS to expand the overall absorption bandwidth covering around 5.5-55 GHz without increasing the thickness of the whole structure excessively. Simulated and experimental results show that the proposed hybrid metamaterial absorber can provide ultra-broadband absorption with simple design procedure and light weight, allowing potential applications such as RCS reduction of antennas, electromagnetic shielding, and so on.

引用

页码：489 / 495

页数：7

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