{"title":"调制介质超表面天线的设计","authors":"F. Puggelli, G. Minatti, Y. Vardaxoglou, S. Maci","doi":"10.1109/LAPC.2015.7366115","DOIUrl":null,"url":null,"abstract":"A special kind of spiral planar circularly polarised (CP) antenna is presented. These antennas are based on an interaction between a cylindrical surface wave excited by an omnidirectional probe and an inhomogeneous surface impedance with a spiral pattern. The surface impedance interaction transforms a bounded TM0 surface wave into a circularly polarised leaky wave with almost broadside radiation, through a grounded dielectric slab with a spiral sinusoidal thickness, modulated in the radial direction by a polynomial. Full wave results are in perfect agreement with the theory previously outlined in the literature.","PeriodicalId":339610,"journal":{"name":"2015 Loughborough Antennas & Propagation Conference (LAPC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Design of a modulated dielectric metasurface antenna\",\"authors\":\"F. Puggelli, G. Minatti, Y. Vardaxoglou, S. Maci\",\"doi\":\"10.1109/LAPC.2015.7366115\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A special kind of spiral planar circularly polarised (CP) antenna is presented. These antennas are based on an interaction between a cylindrical surface wave excited by an omnidirectional probe and an inhomogeneous surface impedance with a spiral pattern. The surface impedance interaction transforms a bounded TM0 surface wave into a circularly polarised leaky wave with almost broadside radiation, through a grounded dielectric slab with a spiral sinusoidal thickness, modulated in the radial direction by a polynomial. Full wave results are in perfect agreement with the theory previously outlined in the literature.\",\"PeriodicalId\":339610,\"journal\":{\"name\":\"2015 Loughborough Antennas & Propagation Conference (LAPC)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 Loughborough Antennas & Propagation Conference (LAPC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/LAPC.2015.7366115\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 Loughborough Antennas & Propagation Conference (LAPC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LAPC.2015.7366115","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design of a modulated dielectric metasurface antenna
A special kind of spiral planar circularly polarised (CP) antenna is presented. These antennas are based on an interaction between a cylindrical surface wave excited by an omnidirectional probe and an inhomogeneous surface impedance with a spiral pattern. The surface impedance interaction transforms a bounded TM0 surface wave into a circularly polarised leaky wave with almost broadside radiation, through a grounded dielectric slab with a spiral sinusoidal thickness, modulated in the radial direction by a polynomial. Full wave results are in perfect agreement with the theory previously outlined in the literature.
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