{"title":"Loss Studies For Waveguide Based E- and H-plane Bandpass Filters at Terahertz Frequencies","authors":"M. Kahar, M. Mandal, G. Chattopadhyay","doi":"10.1109/imarc49196.2021.9714606","DOIUrl":null,"url":null,"abstract":"This paper presents a comparative study on the insertion losses for E- and H-plane waveguide-based bandpass filters at THz frequencies. It is shown that the H-plane filters suffer from high loss due to higher surface current on the coupling irises. Finally, two E-plane filters and two H-plane filters with the fractional bandwidths of 2% and 2.5% are designed at 510 and 552.7 GHz, respectively. The filter responses are verified by using two commercially available electromagnetic full-wave simulators. A sensitivity analysis is also presented to estimate the changes in filter responses due to fabrication tolerances.","PeriodicalId":226787,"journal":{"name":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/imarc49196.2021.9714606","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
This paper presents a comparative study on the insertion losses for E- and H-plane waveguide-based bandpass filters at THz frequencies. It is shown that the H-plane filters suffer from high loss due to higher surface current on the coupling irises. Finally, two E-plane filters and two H-plane filters with the fractional bandwidths of 2% and 2.5% are designed at 510 and 552.7 GHz, respectively. The filter responses are verified by using two commercially available electromagnetic full-wave simulators. A sensitivity analysis is also presented to estimate the changes in filter responses due to fabrication tolerances.