Experiments on the multiampere negative ion source in National Institute for Fusion Science : Proceeding of the fourth International Conference on Ion Sources
Ando, A. ; Takeiri, Y. ; Tsumori, K. ; Kaneko, O. ; Oka, Y. ; Akiyama, R. ; Kawamoto, T. ; Mineo, K. ; Kurata, T. ; Kuroda, T.
[S.l.] : American Institute of Physics (AIP)
Published 1992
[S.l.] : American Institute of Physics (AIP)
Published 1992
| ISSN: |
1089-7623
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| Source: |
AIP Digital Archive
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| Topics: |
Physics
Electrical Engineering, Measurement and Control Technology
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| Notes: |
The multiampere negative hydrogen ion source has been developed in National Institute for Fusion Science (NIFS). The ion source is a volume-production type multicusp one with an extraction area of 25×25 cm2. It is found that high density negative hydrogen ions of more than 1 × 1012 cm−3 are produced in the center of the arc chamber with a double magnetic filter configuration. A supply of a small amount of cesium vapor into the arc chamber has greatly enhanced the H− ion current and reduced the operation pressure. The H− ion current of 3.3 A has been extracted from a Cs-seeded plasma at the pressure of 0.9 Pa.
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| Type of Medium: |
Electronic Resource
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| URL: |