{"title":"利用彩虹捕获光栅的再生反馈太赫兹电子源","authors":"Juan-Feng Zhu, C. Du, Shi Pan, Pu‐Kun Liu","doi":"10.1109/ICMMT.2018.8563277","DOIUrl":null,"url":null,"abstract":"In this paper, a metallic grating structure with varying depth is presented for beam-wave interaction. The DC electron beam flies above the structure and backward spoof surface plasmon mode is excited. When the electromagnetic power flow reaches the left-hand of grating structure, it is trapped down and reflected to propagate forwardly due to rainbow trapped storage of terahertz wave. With energy reflecting and transmitting at both ends of this structure, a regenerate feedback is realized and a THz pulse is amplified repeatedly. This system achieved the maximum output power over 1.5 W after four times of reflections at 1 THz with a 3 kV/20mA electron beam.","PeriodicalId":190601,"journal":{"name":"2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Regenerate Feedback Terahertz Electronic Source Using Rainbow-Trapping Grating\",\"authors\":\"Juan-Feng Zhu, C. Du, Shi Pan, Pu‐Kun Liu\",\"doi\":\"10.1109/ICMMT.2018.8563277\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a metallic grating structure with varying depth is presented for beam-wave interaction. The DC electron beam flies above the structure and backward spoof surface plasmon mode is excited. When the electromagnetic power flow reaches the left-hand of grating structure, it is trapped down and reflected to propagate forwardly due to rainbow trapped storage of terahertz wave. With energy reflecting and transmitting at both ends of this structure, a regenerate feedback is realized and a THz pulse is amplified repeatedly. This system achieved the maximum output power over 1.5 W after four times of reflections at 1 THz with a 3 kV/20mA electron beam.\",\"PeriodicalId\":190601,\"journal\":{\"name\":\"2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT)\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-05-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICMMT.2018.8563277\",\"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 International Conference on Microwave and Millimeter Wave Technology (ICMMT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICMMT.2018.8563277","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Regenerate Feedback Terahertz Electronic Source Using Rainbow-Trapping Grating
In this paper, a metallic grating structure with varying depth is presented for beam-wave interaction. The DC electron beam flies above the structure and backward spoof surface plasmon mode is excited. When the electromagnetic power flow reaches the left-hand of grating structure, it is trapped down and reflected to propagate forwardly due to rainbow trapped storage of terahertz wave. With energy reflecting and transmitting at both ends of this structure, a regenerate feedback is realized and a THz pulse is amplified repeatedly. This system achieved the maximum output power over 1.5 W after four times of reflections at 1 THz with a 3 kV/20mA electron beam.
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