{"title":"交错双叶片行波管340 GHz慢波结构特性","authors":"Yanbin He, C. Ruan","doi":"10.23919/PIERS.2018.8597962","DOIUrl":null,"url":null,"abstract":"As one type of full-metal slow wave structure (SWS), the staggered double-vane (SDV) used in traveling wave tube (TWT) has many advantages. In this paper, a new microstructure SWS using the staggered double-vane is put forward by using two adjacent modes, which can work in the 340 GHz TWT with ultra-high broad bandwidth. The dispersion characteristics, interaction impedance and the simple input/output taper coupler for TWT are calculated and analyzed. The simulation result shows that this kind of SDV-SWS has a wide bandwidth of 78 GHz. And the high interaction impedance can be achieved to $0.5\\ \\Omega$ with the potential to enhance the efficiency of energy exchange process between the electron beam and high frequency field in terahertz TWT.","PeriodicalId":355217,"journal":{"name":"2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)","volume":"210 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Characteristics of 340 GHz Slow Wave Structure for Staggered Double-Vane Traveling Wave Tube\",\"authors\":\"Yanbin He, C. Ruan\",\"doi\":\"10.23919/PIERS.2018.8597962\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"As one type of full-metal slow wave structure (SWS), the staggered double-vane (SDV) used in traveling wave tube (TWT) has many advantages. In this paper, a new microstructure SWS using the staggered double-vane is put forward by using two adjacent modes, which can work in the 340 GHz TWT with ultra-high broad bandwidth. The dispersion characteristics, interaction impedance and the simple input/output taper coupler for TWT are calculated and analyzed. The simulation result shows that this kind of SDV-SWS has a wide bandwidth of 78 GHz. And the high interaction impedance can be achieved to $0.5\\\\ \\\\Omega$ with the potential to enhance the efficiency of energy exchange process between the electron beam and high frequency field in terahertz TWT.\",\"PeriodicalId\":355217,\"journal\":{\"name\":\"2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)\",\"volume\":\"210 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/PIERS.2018.8597962\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/PIERS.2018.8597962","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Characteristics of 340 GHz Slow Wave Structure for Staggered Double-Vane Traveling Wave Tube
As one type of full-metal slow wave structure (SWS), the staggered double-vane (SDV) used in traveling wave tube (TWT) has many advantages. In this paper, a new microstructure SWS using the staggered double-vane is put forward by using two adjacent modes, which can work in the 340 GHz TWT with ultra-high broad bandwidth. The dispersion characteristics, interaction impedance and the simple input/output taper coupler for TWT are calculated and analyzed. The simulation result shows that this kind of SDV-SWS has a wide bandwidth of 78 GHz. And the high interaction impedance can be achieved to $0.5\ \Omega$ with the potential to enhance the efficiency of energy exchange process between the electron beam and high frequency field in terahertz TWT.
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