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Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons

A broadband frequency selective rasorber (FSR) based on spoofsurface plasmon polaritons (SSPP) is proposed. The FSR is composed of a multi-layer structure comprising frequency selective surface (FSS)-polyresin (PR)-indium tin oxide (ITO)-PR-FSS and placed vertically on a metal base plate. A periodic...

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Autores principales: Bai, Jin, Yang, Qingzhen, Liang, Yichao, Gao, Xiang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9698167/
https://www.ncbi.nlm.nih.gov/pubmed/36422399
http://dx.doi.org/10.3390/mi13111969
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author Bai, Jin
Yang, Qingzhen
Liang, Yichao
Gao, Xiang
author_facet Bai, Jin
Yang, Qingzhen
Liang, Yichao
Gao, Xiang
author_sort Bai, Jin
collection PubMed
description A broadband frequency selective rasorber (FSR) based on spoofsurface plasmon polaritons (SSPP) is proposed. The FSR is composed of a multi-layer structure comprising frequency selective surface (FSS)-polyresin (PR)-indium tin oxide (ITO)-PR-FSS and placed vertically on a metal base plate. A periodic square cavity structure is formed. The transmission characteristics of the FSR are studied by full-wave simulation and equivalent circuit method. The simulation results demonstrate that under normal incidence, the absorption rate of the structure remains 95% in the 5–30 GHz band, and the absorption rate is also 80% in the 3.5–5 GHz band. As the incident angle of the electromagnetic wave increases to 40°, the absorption rate in the 15–20 GHz band decreases to 70% in the transverse electric (TE) mode, and the absorption rate in the transverse magnetic (TM) mode is almost the same as that of vertical incidence. The transmission response of the structure is measured in an anechoic chamber. The measurement results agree well with the simulation results, proving the reliability of the design and fabrication. The structure is less sensitive to the incident angle of magnetic waves and has a better broadband absorbing ability.
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spelling pubmed-96981672022-11-26 Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons Bai, Jin Yang, Qingzhen Liang, Yichao Gao, Xiang Micromachines (Basel) Article A broadband frequency selective rasorber (FSR) based on spoofsurface plasmon polaritons (SSPP) is proposed. The FSR is composed of a multi-layer structure comprising frequency selective surface (FSS)-polyresin (PR)-indium tin oxide (ITO)-PR-FSS and placed vertically on a metal base plate. A periodic square cavity structure is formed. The transmission characteristics of the FSR are studied by full-wave simulation and equivalent circuit method. The simulation results demonstrate that under normal incidence, the absorption rate of the structure remains 95% in the 5–30 GHz band, and the absorption rate is also 80% in the 3.5–5 GHz band. As the incident angle of the electromagnetic wave increases to 40°, the absorption rate in the 15–20 GHz band decreases to 70% in the transverse electric (TE) mode, and the absorption rate in the transverse magnetic (TM) mode is almost the same as that of vertical incidence. The transmission response of the structure is measured in an anechoic chamber. The measurement results agree well with the simulation results, proving the reliability of the design and fabrication. The structure is less sensitive to the incident angle of magnetic waves and has a better broadband absorbing ability. MDPI 2022-11-13 /pmc/articles/PMC9698167/ /pubmed/36422399 http://dx.doi.org/10.3390/mi13111969 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Bai, Jin
Yang, Qingzhen
Liang, Yichao
Gao, Xiang
Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons
title Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons
title_full Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons
title_fullStr Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons
title_full_unstemmed Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons
title_short Broadband Frequency Selective Rasorber Based on Spoof Surface Plasmon Polaritons
title_sort broadband frequency selective rasorber based on spoof surface plasmon polaritons
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9698167/
https://www.ncbi.nlm.nih.gov/pubmed/36422399
http://dx.doi.org/10.3390/mi13111969
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