Active Frequency-Selective Rasorber With Switchable Dual Operating Modes

被引：1

作者：

Wang, Minrui ^{[1
]}

Xiang, Zheng ^{[1
]}

Li, Yi ^{[1
]}

Ren, Peng ^{[1
]}

Gu, Chao ^{[2
]}

Gao, Steven ^{[3
]}

机构：

[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China

[2] Queens Univ Belfast, Ctr Wireless Innovat, ECIT Inst, Sch Elect Elect Engn & Comp Sci, Belfast BT3 9DT, Antrim, North Ireland

[3] Chinese Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 10期

关键词：

Absorption-reflection-absorption (A-R-A); absorption-transmission-absorption (A-T-A); switchable; active frequency- selective rasorber (AFSR); LOW-PROFILE; ABSORBER; ANTENNA; FSS;

D O I：

10.1109/LAWP.2024.3429505

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：

This letter presents an active frequency-selective rasorber (AFSR) with switchable dual operating modes at L-band. The proposed frequency-selective rasorber (FSR) comprises of a resistive layer and a frequency-selective surface layer loaded with PIN diodes, separated by an air spacer. The operating mechanism is elaborated by analyzing the equivalent circuit model. By controlling the states of the PIN diodes, the AFSR can be switched from the absorption-transmission-absorption (A-T-A) to absorption-reflection-absorption (A-R-A) modes. In the A-T-A mode, the transmission peak is 0.21 dB at 1.89 GHz, while the absorption band is 0.87 GHz to 3.42 GHz. In the A-R-A mode, the reflection peak is 0.15 dB at 1.91 GHz, while the absorption bands are (0.95 to 1.34) GHz to (2.1 to 3.51) GHz. A prototype of the proposed FSR was fabricated and measured to verify the design concept.

引用

页码：3178 / 3182

页数：5

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