Multicusp negative ion source

DOI PDF 被引用文献3件
  • K. W. Ehlers
    Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
  • K. N. Leung
    Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720

抄録

<jats:p>The characteristics of a steady state, surface conversion, multiline-cusp negative ion source have been investigated for the production of high-energy neutral beams. With the presence of cesium, this source has been operated at a neutral pressure of 1×10−3 Torr to generate a H− ion current greater than 400 mA. The percentage of impurities in the self-extracted negative ion beam has been analyzed by a mass spectrometer. A technique for reducing the background electron density at the source exit is also presented.</jats:p>

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