{"title":"Dual-Band-Notched Frequency Selective Absorbers with Independent Notch-Band Tuning","authors":"X. Hao, Xianqi Lin, Zhe Chen, Yulei Yang, Jiaji Li, Xie Jinxiong","doi":"10.1109/ICMMT55580.2022.10022617","DOIUrl":null,"url":null,"abstract":"In this paper, A dual band notched frequency selective absorber (FSA) with independent tunable notch bands is proposed based on double-layered structures. The proposed FSA is composed of a two-layered metal structure with an air layer in between. At the top layer, a wideband absorber with the application of reciprocal principle achieves the absorption band from 6.03 to 16.92 GHz. At the bottom layer, a common frequency selective surface (FSS) lossless structure is used to perform the dual-band-notched property. Moreover, we present two methods to adjust notch bands with geometrically control and electrically control, the tunable range is about 5GHz and 2GHz respectively. The simulation results show that the proposed absorber has wide absorption band and the adjustability of two independent notch bands.","PeriodicalId":211726,"journal":{"name":"2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICMMT55580.2022.10022617","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, A dual band notched frequency selective absorber (FSA) with independent tunable notch bands is proposed based on double-layered structures. The proposed FSA is composed of a two-layered metal structure with an air layer in between. At the top layer, a wideband absorber with the application of reciprocal principle achieves the absorption band from 6.03 to 16.92 GHz. At the bottom layer, a common frequency selective surface (FSS) lossless structure is used to perform the dual-band-notched property. Moreover, we present two methods to adjust notch bands with geometrically control and electrically control, the tunable range is about 5GHz and 2GHz respectively. The simulation results show that the proposed absorber has wide absorption band and the adjustability of two independent notch bands.
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