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Emerging Applications of Vacuum-Arc-Produced Plasma, Ion and Electron Beams pp 123–130Cite as

Vacuum Arc Ion Sources: Charge State Enhancement and Arc Voltage

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Part of the NATO Science Series book series (NAII,volume 88)

Abstract

The Metal Vapor Vacuum ion source (MEWA) has been developed for the production of ion beams for a wide range of metal ions. The ion charge states for most heavy elements created by the high current MEVVA ion source, which typically generates ions with a mean charge state up to three, have to be elevated to higher charge states for accelerator reasons at the GSI accelerator facility. Several methods are known which elevate charge states. Especially for the generation of U4+ ions a strong magnetic field and a high arc current has been used at GSI. Both methods increase the arc voltage which in turn influences the electron energy distribution and thus the mean ion charge state. Arc voltages have been measured for different settings of arc current, magnetic flux density and discharge geometry indicating the dependencies between these quantities and the arc voltage.

Keywords

  • Charge State
  • Anode Material
  • Strong Magnetic Field
  • Charge State Distribution
  • Copper Anode

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Author information

Authors and Affiliations

  1. Gesellschaft für Schwerionenforschung mbH, Planckstraße 1, D-64291, Darmstadt, Germany

    M. Galonska, F. Heymach, R. Hollinger & P. Spädtke

Authors
  1. M. Galonska
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  2. F. Heymach
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  3. R. Hollinger
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  4. P. Spädtke
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Editor information

Editors and Affiliations

  1. High Current Electronics Institute, Tomsk, Russia

    Efim Oks

  2. Lawrence Berkeley National Laboratory, Berkeley, USA

    Ian Brown

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Galonska, M., Heymach, F., Hollinger, R., Spädtke, P. (2002). Vacuum Arc Ion Sources: Charge State Enhancement and Arc Voltage. In: Oks, E., Brown, I. (eds) Emerging Applications of Vacuum-Arc-Produced Plasma, Ion and Electron Beams. NATO Science Series, vol 88. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0277-6_12

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  • DOI: https://doi.org/10.1007/978-94-010-0277-6_12

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-1066-8

  • Online ISBN: 978-94-010-0277-6

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