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Two approaches to electron beam enhancement of the metal vapor vacuum arc ion source

Published online by Cambridge University Press:  22 July 2003

B.M. JOHNSON ,
A. HERSHCOVITCH ,
A.S. BUGAEV ,
V.I. GUSHENETS ,
E.M. OKS ,
G. YU. YUSHKOV ,
V.A. BATALIN ,
A.A. KOLOMIETS ,
R.P. KUIBEDA  and
T.V. KULEVOY
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B.M. JOHNSON
Affiliation:
Brookhaven National Laboratory, Upton, New York
A. HERSHCOVITCH
Affiliation:
Brookhaven National Laboratory, Upton, New York
A.S. BUGAEV
Affiliation:
High Current Electronics Institute, Russian Academy of Sciences, Tomsk, Russia
V.I. GUSHENETS
Affiliation:
High Current Electronics Institute, Russian Academy of Sciences, Tomsk, Russia
E.M. OKS
Affiliation:
High Current Electronics Institute, Russian Academy of Sciences, Tomsk, Russia
G. YU. YUSHKOV
Affiliation:
High Current Electronics Institute, Russian Academy of Sciences, Tomsk, Russia
V.A. BATALIN
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
A.A. KOLOMIETS
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
R.P. KUIBEDA
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
T.V. KULEVOY
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
V.I. PERSHIN
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
S.V. PETRENKO
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
D.N. SELEZNEV
Affiliation:
Institute for Theoretical and Experimental Physics, Moscow, Russia
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Abstract

Conclusive demonstration of electron-beam enhancement of ion charge states for the Metal Vapor Vacuum Arc (MEVVA) ion source was recently achieved using an external electron beam (E-MEVVA) in experiments performed jointly among the Institute for Theoretical and Experimental Physics (ITEP), Moscow, Russia, the High Current Electronics Institute (HCEI), Tomsk, Russia, and Brookhaven National Laboratory (BNL), USA. The E-MEVVA experiments were performed in Moscow and Tomsk with nearly the same design of ion sources. Results for lead and bismuth cathodes yielded maximum ion charge states of Pb7+ and Bi8+ for E-MEVVA, as compared to Pb2+ and Bi2+ for conventional MEVVA operation. Additional encouraging results were also obtained using a Z-discharge to produce an internal electron-beam (Z-MEVVA and LIZ-MEV).

Keywords

High charge statesIntense beamsIon sourceVacuum arc
Type
Research Article
Information
Laser and Particle Beams , Volume 21 , Issue 1 , January 2003 , pp. 103 - 108
Copyright
2003 Cambridge University Press

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