{"title":"Optimizing the Pattern of Leaky Wave Antenna Using Dielectric Image Line with Feeding System","authors":"Kei Hanzawa;Shota Matsumoto;Hiroyuki Arai","doi":"10.23919/comex.2025SPL0017","DOIUrl":null,"url":null,"abstract":"Leaky wave antenna using dielectric image line has attracted attention as base station antennas in the sub-millimeter wave band because it has high gain and can achieve <tex>$\\text{cosec}^2$</tex> pattern. However, the pattern is affected by the feeding system such as parallel plate. Therefore, we investigated ways to suppress the influence of the feeding system and achieve <tex>$\\text{cosec}^2$</tex> pattern by applying offsets to periodically arranged metal strips.","PeriodicalId":54101,"journal":{"name":"IEICE Communications Express","volume":"14 6","pages":"229-232"},"PeriodicalIF":0.3000,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10924593","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEICE Communications Express","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10924593/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
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Abstract
Leaky wave antenna using dielectric image line has attracted attention as base station antennas in the sub-millimeter wave band because it has high gain and can achieve $\text{cosec}^2$ pattern. However, the pattern is affected by the feeding system such as parallel plate. Therefore, we investigated ways to suppress the influence of the feeding system and achieve $\text{cosec}^2$ pattern by applying offsets to periodically arranged metal strips.
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