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Prototype module of a long pulse ion induction Linac
A module of an induction Linac is developed, being aimed at application to ion acceleration. A proton beam of 30 mA is extracted from a reflex discharge ion source and accelerated up to 20 keV, direct...

Technique to increase the H+ ion fraction in a multicusp source

Rev. Sci. Instrum. 54, 1296 (1983); doi:10.1063/1.1137261

Issue Date: October 1983

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K. W. Ehlers and K. N. Leung
Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
It is possible to filter out the primary ionizing electrons from the ion extraction region of a multicusp source by installing the filament inside the dipole fields of the permanent magnets and thereby enhance the H+ ion species in the extracted beam. An optimum position of the filament has been determined such that a quiescent plasma together with a uniform plasma density profile across the extraction plane can be obtained. Review of Scientific Instruments is copyrighted by The American Institute of Physics.
History: Received 10 May 1983; accepted 20 June 1983
Permalink: http://link.aip.org/link/?RSINAK/54/1296/1
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KEYWORDS and PACS

Keywords
PACS
  • 52.25.Lp
    The physics of plasmas and electric discharges Plasma basic properties Temperature and density
  • YEAR: 1983

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PUBLICATION DATA

ISSN:
0034-6748 (print)   1089-7623 (online)
Publisher:
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REFERENCES (14)
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  1. R. Limpaecher and K. R. MacKenzie, Rev. Sci. Instrum. 44, 726 (1973).
  2. K. N. Leung, T. K. Samec, and A. Lamm, Phys. Lett. A 51, 490 (1975).
  3. Plasma Physics and Fusion Progress Report, Culham Lab. Report No. CLM-PR20, 1978.
  4. W. L. Stirling, P. M. Ryan, C. C. Tsai, and K. N. Leung, Rev. Sci. Instrum. 50, 102 (1979).
  5. K. W. Ehlers and K. N. Leung, Rev. Sci. Instrum. 50, 1353 (1979).
  6. Japan Atomic Energy Research Institute Report No. JAERI-M 8869, 1980.
  7. J. Grando, H. Haseroth, C. Hill, and M. Hone, Brookhaven National Lab. Report No. BNL-51134.
  8. R. Keller and N. Angert, Brookhaven National Lab. Report No. BNL-51134.
  9. K. W. Ehlers and K. N. Leung, Rev. Sci. Instrum. 52, 1452 (1981).
  10. K. W. Ehlers and K. N. Leung, Rev. Sci. Instrum. 53, 1423 (1982).
  11. P. A. Pincosy and K. W. Ehlers, Proceedings of the Third Neutral Beam Workshop, Gatlinburg, TN, 1981.
  12. K. W. Ehlers, K. N. Leung, and M. D. Williams, Rev. Sci. Instrum. 50, 1031 (1979).
  13. N. Hershkowitz, J. R. DeKock, P. Coakley, and S. L. Cartier, Rev. Sci. Instrum. 51, 64 (1980).
  14. K. W. Ehlers and K. N. Leung, Rev. Sci. Instrum. 50, 356 (1979).

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