Ultra-Wideband Active Frequency Selective Surface With Wideband Rejection Characteristic

被引：0
|
作者：
Liu, Huan [1 ]
Liu, Shaobin [1 ]
Liu, Yuchen [1 ]
Chen, Zian [1 ]
Wang, Yan [1 ]
Wang, Bing [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 211106, Peoples R China
来源：
2024 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY, ICMMT | 2024年
关键词：
Reconfigurable; Ultra-wideband; Filtering; Shielding;
D O I：
10.1109/ICMMT61774.2024.10671646
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 paper proposes a reconfigurable low-frequency ultra-wideband frequency selective surface in the form of a multilayer cascaded structure to improve out-of-band rejection characteristics. The structure comprises of five FSS layers, with a PIN diode loaded on the top layer to control its operating mode. When the PIN diode is turned OFF, the structure functions as a bandpass filter, achieving a 76.76% -3dB passband bandwidth within the range of 1.14-2.56 GHz. When the PIN diode is turned ON, the structure acts as an ultra-wideband electromagnetic shield with -10dB within the range of 0-20 GHz. It exhibits a stable frequency response for both TE and TM polarization, making it polarization insensitive. The structure can efficiently filter and shield in the 45 degrees oblique incidence range.
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页数：3
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