Response of beam focusing to plasma fluctuation in a filament-arc-type negative ion source

DOI Web Site Web Site 被引用文献3件 参考文献30件 オープンアクセス

書誌事項

公開日
2020-02-26
資源種別
journal article
権利情報
  • http://creativecommons.org/licenses/by/4.0/
  • https://iopscience.iop.org/info/page/text-and-data-mining
DOI
  • 10.35848/1347-4065/ab7473
公開者
IOP Publishing

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説明

<jats:title>Abstract</jats:title> <jats:p>Beam focusing is one of the most important elements for the stable and safe operation of high power negative ion beams, such as neutral beam injection into magnetically confined fusion plasmas. In order to investigate impacts of the source plasma fluctuation on beam focusing, a simultaneous measurement of the source plasma fluctuation and the beam current profile has been carried out in the research-and-development negative ion source at the National Institute for Fusion Science. The responses of beam width and of the beam centre deviation are observed for the first time, indicating the importance of the source plasma stability for the negative ion beam focusing.</jats:p>

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