{"title":"A Coding Metasurface Integrated Fabry–Perot Cavity Antenna for Dual-Polarized Broadband Radar Cross Section Reduction","authors":"Yufeng Liu, Jiahao Zhou, Lei Xu, Jiao Zhang","doi":"10.1002/mop.70829","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>A coding metasurface integrated into a Fabry–Perot (F–P) cavity antenna is proposed for dual-polarized broadband radar cross section (RCS) reduction. PIN-diode-loaded coding elements are employed to realize binary “0”/“1” states with an approximately 180° reflection-phase difference for two orthogonal polarizations. The coding sequence is optimized by a simulated annealing algorithm to redistribute the backward scattering, while an anisotropic I-shaped ground structure is introduced to suppress the in-band scattering caused by cavity resonance. A prototype is fabricated and measured. The proposed antenna achieves a measured −10 dB impedance bandwidth of 7.75–8.0 GHz, a peak gain of 13.02 dBi, and dual-polarized broadband RCS reduction from 6.5 to 10 GHz. The results validate the proposed design for high-gain antenna applications requiring low-scattering characteristics.</p>\n </div>","PeriodicalId":18562,"journal":{"name":"Microwave and Optical Technology Letters","volume":"68 10","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microwave and Optical Technology Letters","FirstCategoryId":"5","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/mop.70829","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
A coding metasurface integrated into a Fabry–Perot (F–P) cavity antenna is proposed for dual-polarized broadband radar cross section (RCS) reduction. PIN-diode-loaded coding elements are employed to realize binary “0”/“1” states with an approximately 180° reflection-phase difference for two orthogonal polarizations. The coding sequence is optimized by a simulated annealing algorithm to redistribute the backward scattering, while an anisotropic I-shaped ground structure is introduced to suppress the in-band scattering caused by cavity resonance. A prototype is fabricated and measured. The proposed antenna achieves a measured −10 dB impedance bandwidth of 7.75–8.0 GHz, a peak gain of 13.02 dBi, and dual-polarized broadband RCS reduction from 6.5 to 10 GHz. The results validate the proposed design for high-gain antenna applications requiring low-scattering characteristics.
期刊介绍：
Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas.
- RF, Microwave, and Millimeter Waves
- Antennas and Propagation
- Submillimeter-Wave and Infrared Technology
- Optical Engineering
All papers are subject to peer review before publication
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