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Operation Mode of Oversized Backward Wave Oscillator Driven by Weakly Relativistic Electron Beam
http://hdl.handle.net/10191/29986
http://hdl.handle.net/10191/2998620807ab7-2df5-400b-9330-e9b1cc119db5
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
PST-06_29-33.pdf (482.9 kB)
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| Item type | 会議発表論文 / Conference Paper(1) | |||||
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| 公開日 | 2014-09-16 | |||||
| タイトル | ||||||
| タイトル | Operation Mode of Oversized Backward Wave Oscillator Driven by Weakly Relativistic Electron Beam | |||||
| タイトル | ||||||
| タイトル | Operation Mode of Oversized Backward Wave Oscillator Driven by Weakly Relativistic Electron Beam | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | oversized backward wave oscillator | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | weakly relativistic beam | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | axisymmetric mode | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | nonaxisymmetric mode | |||||
| 資源タイプ | ||||||
| 資源 | http://purl.org/coar/resource_type/c_5794 | |||||
| タイプ | conference paper | |||||
| その他のタイトル | ||||||
| その他のタイトル | 弱相対論的電子ビームによって駆動される特大後進波発振器の動作モード | |||||
| 著者 |
Ogura, K.
× Ogura, K.× Miyazawa, Y.× Kiuchi, Y.× Aoyama, S.× Tanaka, H.× Sugawara, A. |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We study the operation mode of oversized BWO driven by weakly relativistic electron beams less than 100 kV. In experiments, the performance of oversized BWOs is improved by improving the SWS and the beam shape. The output power increases up to about 500 kW in K-band and about 200 kW in Q-band, which corresponds to the quality factor Pf2 of about 3.5×105 kW・GHz2. High-power operations in the nonaxisymmetric mode are observed. To analyze the oversized BWO, a new version of linear theory is used, in which three-dimensional beam perturbation are self-consistently considered. For the oversized SWS, the electromagnetic waves are surface waves localized near the SWS wail. Two kinds of beam interaction, slow cyclotron and Cherenkov interactions, exist in the oversized BWO as in the non-oversized BWO. The nonaxisymmetric mode can be excited by the completely axisymmetric beam in the completely axisymmetric system. The growth rate of nonaxisymmetric mode is in the same order as the axisymmetric mode. If the beam is apart from SWS, the growth rates decrease exponentially. The beam radius should be controlled carefully to drive oversized BWOs. | |||||
| 書誌情報 |
電気学会プラズマ研究会資料 : Papers of Technical Meeting on Plasma Science and Technology, IEE Japan en : 電気学会プラズマ研究会資料 : Papers of Technical Meeting on Plasma Science and Technology, IEE Japan 巻 PST-06, 号 54-74, p. 29-33, 発行日 2006-08 |
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| 出版者 | ||||||
| 出版者 | 電気学会 | |||||
| 権利 | ||||||
| 権利情報 | Copyright (C) 2006 電気学会 | |||||
| 著者版フラグ | ||||||
| 値 | publisher | |||||
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Cite as
Ogura, K., Miyazawa, Y., Kiuchi, Y., Aoyama, S., Tanaka, H., Sugawara, A., 2006, Operation Mode of Oversized Backward Wave Oscillator Driven by Weakly Relativistic Electron Beam: 電気学会, 29–33 p.
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