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Two-color CO2 laser long-distance interference measurements with long-time stabilization in JT-60SA
https://repo.qst.go.jp/records/2001611
https://repo.qst.go.jp/records/200161162465ff1-ab94-42d0-8664-4ab666753522
| アイテムタイプ | 学術雑誌論文 / Journal Article(1) | |||||||||||||||
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| 公開日 | 2025-04-22 | |||||||||||||||
| タイトル | ||||||||||||||||
| タイトル | Two-color CO2 laser long-distance interference measurements with long-time stabilization in JT-60SA | |||||||||||||||
| 言語 | en | |||||||||||||||
| 言語 | ||||||||||||||||
| 言語 | eng | |||||||||||||||
| 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 |
Sasao Hajime
× Sasao Hajime
× Ohtani Yoshiaki
× Chiba Shinichi
× Nakano Tomohide
× Yoshida Maiko
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| 抄録 | ||||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||||
| 内容記述 | Wehave developed a two-color CO2 laser interferometer in JT-60SA, which features a long transmission line and a long-time stabilization system. We inject two laser beams with an optimized beam size into the plasma of JT-60SA. A newly developed beam axis stabilizing system stabilizes the laser beam line to the plasma, which constitutes one fourth of the total line length of 214 m, for more than 11 hours, ensuring no beam line loss during the integrated commissioning phase of JT-60SA. It is possible to measure the line-integrated electron densities of JT-60SA plasmas with a resolution of 2 × 10^19 m^?2. The typical NeL = 1.4 × 10^20 m^?2. Experimental evidence also demonstrates the challenge of compensating for line-integrated electron density errors, even with a two-color interferometer. |
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| 書誌情報 |
Review of scientific instruments 巻 96, p. 043508, 発行日 2025-04 |
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| 出版者 | ||||||||||||||||
| 出版者 | American Institute Of Physics | |||||||||||||||
| DOI | ||||||||||||||||
| 識別子タイプ | DOI | |||||||||||||||
| 関連識別子 | 10.1063/5.0221294 | |||||||||||||||
