{"title":"A Non-Invasive Feed Approach to Excite the Electric Monopole Mode of a Dielectric Resonator Antenna","authors":"A. Kumar","doi":"10.1109/comcas52219.2021.9629102","DOIUrl":null,"url":null,"abstract":"A non-invasive feeding method to excite the electric monopole mode (TM01δ mode) of a cylindrical dielectric resonator (DR) antenna or DRA is presented. The feed comprises a non-resonant circular metallic patch with four symmetric stubs, fed by a coaxial probe. The monopole mode of the DRA is excited by the patch rather than the probe, hence the need to drill an axial hole in the DR for conventional probe insertion (invasive feed) is avoided. Using ANSYS HFSS simulations, the viability of this new feed is demonstrated and results are compared with that of a probe-fed DRA exciting the same mode.","PeriodicalId":354885,"journal":{"name":"2021 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/comcas52219.2021.9629102","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A non-invasive feeding method to excite the electric monopole mode (TM01δ mode) of a cylindrical dielectric resonator (DR) antenna or DRA is presented. The feed comprises a non-resonant circular metallic patch with four symmetric stubs, fed by a coaxial probe. The monopole mode of the DRA is excited by the patch rather than the probe, hence the need to drill an axial hole in the DR for conventional probe insertion (invasive feed) is avoided. Using ANSYS HFSS simulations, the viability of this new feed is demonstrated and results are compared with that of a probe-fed DRA exciting the same mode.
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