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Optimization of Megawatt 77-GHz Gyrotron Operation for Collective Thomson Scattering in LHD
http://hdl.handle.net/10655/00013500
http://hdl.handle.net/10655/00013500a49f5742-d95b-4005-a7e5-eee77e9fb290
名前 / ファイル | ライセンス | アクション |
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7877_PFR (934.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-10-04 | |||||
タイトル | ||||||
タイトル | Optimization of Megawatt 77-GHz Gyrotron Operation for Collective Thomson Scattering in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | collective Thomson scattering | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gyrotron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ECRH | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LHD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ECE | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | mode competition | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
OGASAWARA, Shinya
× OGASAWARA, Shinya× KUBO, Shin× NISHIURA, Masaki× TATEMATSU, Yoshinori× SAITO, Teruo× TANAKA, Kenji× SHIMOZUMA, Takashi× YOSHIMURA, Yasuo× IGAMI, Hiroe× TAKAHASHI, Hiromi× ITO, Satoshi× MAKINO, Ryohei× KOBAYASHI, Sakuji× MIZUNO, Yoshinori× OKADA, Kohta× MINAMI, Ryutaro× KARIYA, Tsuyoshi× IMAI, Tsuyoshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To establish a method for suppressing the spurious radiation that interferes with collective Thomson scattering measurements with less degradation of the main mode output power, the frequency evolution, and the output power of the megawatt 77-GHz gyrotron were measured during operation under optimized parameters. According to a mode competition calculation, the main mode output power may be increased by setting a lower gyrotron anode voltage at a higher magnetic field strength in the gyrotron resonator. Although the output power increased from 300 kW to 530 kW without any spurious radiation when the optimized operational parameters were used, the output power was about 50% of that at a lower magnetic field strength, and thus the output pulse width was limited to 60 ms. When an approach using the optimized operational parameters and a PIN switch was applied, the output power increased to 800 kW without any harmful spurious radiation effect and the pulse width was expanded to 2 s. | |||||
書誌情報 |
Plasma and Fusion Research 巻 8, 号 Special Issue 1, p. 2402069, 発行日 2013-05-22 |
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書誌的事項 | ||||||
the 22nd International Toki Conference on Cross-Validation of Experiment and Modeling for Fusion and Astrophysical Plasmas | ||||||
出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.8.2402069 | |||||
権利 | ||||||
権利情報 | (c) 2013 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.8.2402069 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NAIS | ||||||
7877 |