Active diagnostic of the eigenmode formation in the ion-cyclotron frequency range in the GAMMA10 central cell
Review of Scientific Instruments 77 巻 10 号
2006-10 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Active diagnostic of the eigenmode formation in the ion-cyclotron frequency range in the GAMMA10 central cell
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| 作成者 |
Yamaguchi Yusuke
Ichimura Makoto
Kakimoto Singo
Nakagome Kenichirou
Nemoto Kenju
Katano Makoto
Nakajima Hajime
Fukuyama Atsushi
Cho Teruji
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| 収録物名 |
Review of Scientific Instruments
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| 巻 | 77 |
| 号 | 10 |
| 抄録 |
A wide-band radio-frequency (rf) probe system was constructed for the active diagnostic of the eigenmode formations in the ion-cyclotron range of frequency (ICRF) in GAMMA10. An antenna was installed in the peripheral region in the central cell. The low power rf pulse with the frequency sweep is applied to the antenna. The waves excited in the plasma are detected with a magnetic probe. The excitation of eigenmodes is described by using the antenna-plasma-probe transfer function. The transfer function can be obtained from the antenna current signal and the magnetic probe signal. When the real and imaginary parts of the transfer function are plotted on the complex plane, the resultant curves are approximately circular, indicating an eigenmode formation. The results of the measurement show that several eigenmodes can be excited in the present experimental condition.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Institute of Physics
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| 発行日 | 2006-10 |
| 権利情報 |
Copyright (c) 2006 American Institute of Physics.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0034-6748
[DOI] 10.1063/1.2219377
[NCID] AA00817730
[DOI] http://dx.doi.org/10.1063/1.2219377
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