{"title":"A Broadband Multi-OAM-Mode Four-Feed Circular Patch Antenna with High Mode Purity","authors":"Yuhan Huang, Zihang Qi, Qingwen Li, Hua Zhu, Xiuping Li, Xiaoming Li, Xing Jiang","doi":"10.1109/APCAP.2018.8538154","DOIUrl":null,"url":null,"abstract":"A broadband multimode orbital angular momentum (OAM) four-feed circular patch antenna at 6 GHz is proposed in this study. The OAM antenna exhibits 5.8-dBi maximum gain, has an impedance bandwidth of 25% over the frequency range 5.2-6.7 GHz with more than 10-dB return loss. Additionally, the OAM modes + 1, -1 and OAM modes +2, -2 can be generated from 5.2 to 6.5 GHz, whose mode purity is much better than the previous two-feed configuration.","PeriodicalId":198124,"journal":{"name":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP.2018.8538154","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
A broadband multimode orbital angular momentum (OAM) four-feed circular patch antenna at 6 GHz is proposed in this study. The OAM antenna exhibits 5.8-dBi maximum gain, has an impedance bandwidth of 25% over the frequency range 5.2-6.7 GHz with more than 10-dB return loss. Additionally, the OAM modes + 1, -1 and OAM modes +2, -2 can be generated from 5.2 to 6.5 GHz, whose mode purity is much better than the previous two-feed configuration.
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