{"title":"利用光导开关的光控圆极化可重构毫米波矩形介电谐振器天线","authors":"A. Soltan, Abdulmajid A. Abdulmajid, S. Khamas","doi":"10.23919/eucap53622.2022.9768895","DOIUrl":null,"url":null,"abstract":"A circularly polarized (CP)-reconfigurable rectangular dielectric resonator Antenna (RDRA) is proposed for mm-wave applications. By utilizing two photoconductive switches, the antenna can be switched to radiate either a linearly polarized (LP) field, left-hand CP (LHCP) field or right-hand CP (RHCP) field. The structure requires a simple fabrication process. The simulated results demonstrate reconfigurable polarization characteristics with an impedance bandwidth of 31.8% for both LHCP and RHCP radiations as well as an impedance bandwidth of 9.5% for the LP radiation. This is achieved in conjunction with a maximum gain of 7 dBi. The axial ratio (AR) bandwidth is ~11% for both LHCP and RHCP radiations.","PeriodicalId":228461,"journal":{"name":"2022 16th European Conference on Antennas and Propagation (EuCAP)","volume":"312 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Optically Controlled Circularly Polarized-Reconfigurable Millimeter-Wave Rectangular Dielectric Resonator Antenna using Photoconductive Switches\",\"authors\":\"A. Soltan, Abdulmajid A. Abdulmajid, S. Khamas\",\"doi\":\"10.23919/eucap53622.2022.9768895\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A circularly polarized (CP)-reconfigurable rectangular dielectric resonator Antenna (RDRA) is proposed for mm-wave applications. By utilizing two photoconductive switches, the antenna can be switched to radiate either a linearly polarized (LP) field, left-hand CP (LHCP) field or right-hand CP (RHCP) field. The structure requires a simple fabrication process. The simulated results demonstrate reconfigurable polarization characteristics with an impedance bandwidth of 31.8% for both LHCP and RHCP radiations as well as an impedance bandwidth of 9.5% for the LP radiation. This is achieved in conjunction with a maximum gain of 7 dBi. The axial ratio (AR) bandwidth is ~11% for both LHCP and RHCP radiations.\",\"PeriodicalId\":228461,\"journal\":{\"name\":\"2022 16th European Conference on Antennas and Propagation (EuCAP)\",\"volume\":\"312 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-03-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2022 16th European Conference on Antennas and Propagation (EuCAP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/eucap53622.2022.9768895\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 16th European Conference on Antennas and Propagation (EuCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/eucap53622.2022.9768895","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A circularly polarized (CP)-reconfigurable rectangular dielectric resonator Antenna (RDRA) is proposed for mm-wave applications. By utilizing two photoconductive switches, the antenna can be switched to radiate either a linearly polarized (LP) field, left-hand CP (LHCP) field or right-hand CP (RHCP) field. The structure requires a simple fabrication process. The simulated results demonstrate reconfigurable polarization characteristics with an impedance bandwidth of 31.8% for both LHCP and RHCP radiations as well as an impedance bandwidth of 9.5% for the LP radiation. This is achieved in conjunction with a maximum gain of 7 dBi. The axial ratio (AR) bandwidth is ~11% for both LHCP and RHCP radiations.
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