{"title":"Design and modeling of low-loss symmetric slow-wave transmission lines","authors":"Amin Kianinejad, Zhi Ning Chen, C. Qiu","doi":"10.1109/APMC.2015.7413234","DOIUrl":null,"url":null,"abstract":"This paper theoretically models and experimentally verifies a low-loss spoof surface plasmon (SSP) mode-based transmission line. A circuit model is proposed for a symmetric SSP structure and the dispersion curve, cut off frequency and Bloch impedance of the periodic structure are calculated. A compact mode converter is proposed and verified experimentally for the connection to coplanar waveguides (CPWs) to form a low-loss slow-wave transmission line (SW-TL). The proposed design is compared with a conventional transmission line and its excellent performance is experimentally evidenced. Operating as a low loss TL, the SW-TL is ready for possible MMIC applications, taking advantage of its ultrathin planarity, highly confined fields, and flexible structure.","PeriodicalId":269888,"journal":{"name":"2015 Asia-Pacific Microwave Conference (APMC)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 Asia-Pacific Microwave Conference (APMC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APMC.2015.7413234","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
This paper theoretically models and experimentally verifies a low-loss spoof surface plasmon (SSP) mode-based transmission line. A circuit model is proposed for a symmetric SSP structure and the dispersion curve, cut off frequency and Bloch impedance of the periodic structure are calculated. A compact mode converter is proposed and verified experimentally for the connection to coplanar waveguides (CPWs) to form a low-loss slow-wave transmission line (SW-TL). The proposed design is compared with a conventional transmission line and its excellent performance is experimentally evidenced. Operating as a low loss TL, the SW-TL is ready for possible MMIC applications, taking advantage of its ultrathin planarity, highly confined fields, and flexible structure.
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