{"title":"Terahertz superradiation with a cylindrical surface wave structure within a 3-mirror quasi-optical cavity","authors":"Yucong Zhou, Yaxin Zhang","doi":"10.1109/IMWS-AMP.2015.7324917","DOIUrl":null,"url":null,"abstract":"In this paper, a cylindrical surface wave-hollow electron beam interaction in a special 3-mirror quasi-optical cavity is presented and explored. The study demonstrates THz free electron superradiation from the interaction of cylindrical surface wave and hollow electron beam that forms a resonance within the structure, with the 3-mirror cavity enhancing the intensity of superradiation. The results show that the cylindrical surface wave-hollow electron beam interaction is much stronger than that of planar surface wave and sheet electron beam. Moreover, this system can work in the high-harmonic superradiation region with relatively high efficiency and low current density.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"29 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IMWS-AMP.2015.7324917","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this paper, a cylindrical surface wave-hollow electron beam interaction in a special 3-mirror quasi-optical cavity is presented and explored. The study demonstrates THz free electron superradiation from the interaction of cylindrical surface wave and hollow electron beam that forms a resonance within the structure, with the 3-mirror cavity enhancing the intensity of superradiation. The results show that the cylindrical surface wave-hollow electron beam interaction is much stronger than that of planar surface wave and sheet electron beam. Moreover, this system can work in the high-harmonic superradiation region with relatively high efficiency and low current density.
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