A multilayer frequency-selective rasorber for wideband transmission based on harmonic suppression

被引：1
作者：
Chen, Yuxu [1 ]
Wan, Guobin [1 ]
Ma, Xin [1 ]
Fu, Bin [1 ]
Jiao, Xinhui [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2024年 / 66卷 / 06期
基金：
中国国家自然科学基金;
关键词：
frequency-selective rasorber; harmonic suppression; low insertion loss; wideband transmission; MICROSTRIP LOWPASS FILTER;
D O I：
10.1002/mop.34224
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：
To break through the limitation of harmonic loss on transmission bandwidth, a multilayer frequency-selective rasorber (FSR) for wideband transmission is present in this letter. First, the principle of harmonic suppression implemented by a lossy layer is described and analyzed in detail. Second, based on this lossy layer, an absorption-transmission (A-T) rasorber with harmonic suppression, which can generate a wide passband above the lower absorption band, is achieved. And then, by combining with a transmission-absorption (T-A) rasorber, an absorption-transmission-absorption (A-T-A) FSR with a wide and low insertion loss (IL) passband can be obtained. The simulation result shows that the -1-dB passband ranges from 7.1 to 17.49 GHz with 84.5% relative bandwidth. Finally, a prototype is fabricated and measured to validate the design.
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页数：6
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