{"title":"Gravity-Controlled Polarization Reconfigurable Liquid Dielectric Resonator Antenna","authors":"Jiaying Han, Lei Li, Anbang Fu","doi":"10.1109/APCAP56600.2022.10069193","DOIUrl":null,"url":null,"abstract":"A gravity-controlled polarization reconfigurable liquid dielectric resonator antenna (DRA) is proposed in this work. The Polymethylmethacrylate (PMMA) structure with two channels is filled with a liquid medium called ethyl acetate. Liquid medium is injected into different channels by rotating the antenna, so that the left- and right-hand circular polarization (LHCP/ RHCP) of the liquid DRA can be switched. Both states of the antenna are designed at 3.3 GHz. The liquid DRA has a −10 dB impedance bandwidth of 32% and the 3-dB axial ratio (AR) bandwidth of two CP state is over 10%, meanwhile the peak gain is 6.2 dBi.","PeriodicalId":197691,"journal":{"name":"2022 IEEE 10th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE 10th Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP56600.2022.10069193","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
A gravity-controlled polarization reconfigurable liquid dielectric resonator antenna (DRA) is proposed in this work. The Polymethylmethacrylate (PMMA) structure with two channels is filled with a liquid medium called ethyl acetate. Liquid medium is injected into different channels by rotating the antenna, so that the left- and right-hand circular polarization (LHCP/ RHCP) of the liquid DRA can be switched. Both states of the antenna are designed at 3.3 GHz. The liquid DRA has a −10 dB impedance bandwidth of 32% and the 3-dB axial ratio (AR) bandwidth of two CP state is over 10%, meanwhile the peak gain is 6.2 dBi.
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