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H- Ion Source Using a Localized Virtual Magnetic Filter in the Plasma Electrode: Type I LV Magnetic Filter
http://hdl.handle.net/10655/2635
http://hdl.handle.net/10655/26355e1724d1-2c1b-4956-be1a-13b156026fc4
| Item type | 研究報告書 / Research Paper(1) | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2010-02-05 | |||||||||||||||||||||
| タイトル | ||||||||||||||||||||||
| タイトル | H- Ion Source Using a Localized Virtual Magnetic Filter in the Plasma Electrode: Type I LV Magnetic Filter | |||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 言語 | ||||||||||||||||||||||
| 言語 | eng | |||||||||||||||||||||
| キーワード | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | hydrogen negative ion | |||||||||||||||||||||
| キーワード | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | ion source | |||||||||||||||||||||
| キーワード | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | magnetic filter | |||||||||||||||||||||
| キーワード | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | cesium deposition | |||||||||||||||||||||
| キーワード | ||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||
| 主題Scheme | Other | |||||||||||||||||||||
| 主題 | NBI | |||||||||||||||||||||
| 資源タイプ | ||||||||||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||||||||||||||||||
| 資源タイプ | research report | |||||||||||||||||||||
| アクセス権 | ||||||||||||||||||||||
| アクセス権 | metadata only access | |||||||||||||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||||||||||||||||||
| 著者 |
"Oka, Y.
× "Oka, Y.
× Kaneko, O.
× Tsumori, K.
× Takeiri, Y.
× Osakabe, M.
× Kawamoto, T.
× Asano, E.
× Akiyama, R."
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| 抄録 | ||||||||||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||||||||||
| 内容記述 | "A new multicusp H^- ion source using a Localized Virtual magnetic filter of type I [Ref.6] in the plasma electrode is investigated. A multipole (MP) arrangement with a spacing of 10 mm of the magnet bars holds an extraction hole, optimizing the efficient production of high H^- current, and at the same time only a small electron component was co-extracted with the H^- ions. The local filter arrangement separates the beam electrons at a low energy. It is shown that the co-extracted total electron current is determined principally by the integrated magnetic field flux (Gcm) of the local filter with an extraction system at a constant extraction voltage. When the value of the Gcm is increased, the total electron component is reduced, while the H^- electrical efficiency had a braod maximum around the optimized value of the Gcm. A thicker plasma electrode should be necessary for sufficient reduction of electron current. In pure hydrogen operation, the achieved current density of H^- is 10 mA/cm^2. when Cs was seeded in a filter optimized for pure volume mode H^- production, the maximum H^- current density obtained is 51 mA/cm^2 and the ratio I_ele/H^- is ~ 0.4 without applying a bias potential." | |||||||||||||||||||||
| 書誌情報 |
en : Research Report NIFS-Series 発行日 1999-12-01 |
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| 報告書番号 | ||||||||||||||||||||||
| NIFS-622 | ||||||||||||||||||||||
| ISSN | ||||||||||||||||||||||
| 収録物識別子タイプ | ISSN | |||||||||||||||||||||
| 収録物識別子 | 0915-633X | |||||||||||||||||||||
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Cite as
"Oka, Y., Kaneko, O., Tsumori, K., Takeiri, Y., Osakabe, M., Kawamoto, T., Asano, E., Akiyama, R.", 1999, H- Ion Source Using a Localized Virtual Magnetic Filter in the Plasma Electrode: Type I LV Magnetic Filter.
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