{"title":"锥形壁回旋管行波放大器","authors":"L. Barnett, Y. Lau, K. Chu, V. Granatstein","doi":"10.1109/ICSWA.1981.9335083","DOIUrl":null,"url":null,"abstract":"Gyrotron traveling-wave amplifiers using tapered waveguide circuits are being investigated as a method of obtaining very wide bandwidths at millimeter-wave frequencies. The axial magnetic field is profiled to maintain synchronism. A first experiment using a 70kV, 1 A annular electron beam operating in the TE01 circular-electric mode produced a 13% small signal bandwidth with 18 dB midband gain at 35GHz. A new experiment is being planned which will operated in the TE011 mode with a goal of achieving a two-to-three factor of bandwidth improvement over the first experiment.","PeriodicalId":254777,"journal":{"name":"1981 International Conference on Submillimeter Waves and Their Applications","volume":"101 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1981-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The Tapered Wall Gyrotron Traveling-Wave Amplifier\",\"authors\":\"L. Barnett, Y. Lau, K. Chu, V. Granatstein\",\"doi\":\"10.1109/ICSWA.1981.9335083\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Gyrotron traveling-wave amplifiers using tapered waveguide circuits are being investigated as a method of obtaining very wide bandwidths at millimeter-wave frequencies. The axial magnetic field is profiled to maintain synchronism. A first experiment using a 70kV, 1 A annular electron beam operating in the TE01 circular-electric mode produced a 13% small signal bandwidth with 18 dB midband gain at 35GHz. A new experiment is being planned which will operated in the TE011 mode with a goal of achieving a two-to-three factor of bandwidth improvement over the first experiment.\",\"PeriodicalId\":254777,\"journal\":{\"name\":\"1981 International Conference on Submillimeter Waves and Their Applications\",\"volume\":\"101 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1981-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1981 International Conference on Submillimeter Waves and Their Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICSWA.1981.9335083\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1981 International Conference on Submillimeter Waves and Their Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSWA.1981.9335083","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Tapered Wall Gyrotron Traveling-Wave Amplifier
Gyrotron traveling-wave amplifiers using tapered waveguide circuits are being investigated as a method of obtaining very wide bandwidths at millimeter-wave frequencies. The axial magnetic field is profiled to maintain synchronism. A first experiment using a 70kV, 1 A annular electron beam operating in the TE01 circular-electric mode produced a 13% small signal bandwidth with 18 dB midband gain at 35GHz. A new experiment is being planned which will operated in the TE011 mode with a goal of achieving a two-to-three factor of bandwidth improvement over the first experiment.
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