A Dual-Band Composite Frequency Selective Rasorber With Broadband Absorption Performance

被引：18
作者：
Jia, Yuxin [1 ]
Zhai, Huiqing [1 ]
Guo, Chaozong [1 ]
Song, Liwei [2 ]
机构：
[1] Xidian Univ, Sch Elect Engn, Natl Key Lab Antenna & Microwave Tech, Xian 710071, Peoples R China
[2] Xidian Univ, Sch Mechanoelect Engn, Key Lab Elect Equipment Struct Design, Minist Educ, Xian 710071, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Composite absorption layers; dual-band frequency selective rasorber (FSR); wideband absorption performance; SURFACE;
D O I：
10.1109/LAWP.2023.3271462
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：
In this letter, a dual-band frequency selective rasorber (FSR) is proposed based on a composite absorption structure. The FSR is a three-tier structure composed of lossy layer I, lossy layer II, and a dual-band frequency selective surface (FSS). The lossy layer I is composed of a lossy cross-shaped structure in which, dual-passband resonators are added and constructed by parallel interdigital capacitors and meandering strip inductors. The lossy layer II is composed of a hybrid circular strip resonator loaded with lossy elements. FSS is implemented in two Jerusalem slots. By combining the lossy layers I and II as a composite lossy structure, the absorption bands of lossy layers I and II are successfully connected in the frequency response, and the bandwidth of S-11 under -10 dB is extended from 3.1 to 20.6 GHz. The proposed FSR integrate dual-band, dual-polarized, and broadband absorption performance simultaneously. Finally, a prototype of the composite FSR is fabricated to validate the simulated results.
引用
收藏
页码：1992 / 1996
页数：5
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