Visualization of a pseudospark-sourced electron beam

David Bowes, Huabi Yin, Wenlong He, Kevin Ronald, Alan Phelps, Defeng Chen, Peng Zhang, Xiaodong Chen, Daohui Li, Adrian W. Cross

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Abstract

A pseudospark (PS)-sourced electron beam of 3-mm diameter has been experimentally investigated. Emission of X-rays was detected during a PS discharge and clear X-ray images were formed using the PS-sourced electron beam impacting on a 0.1-mm-thick molybdenum target at an applied voltage of 46 kV. Using a phosphor-coated scintillator, the beam's cross-sectional profile and surrounding ion channel were also observed. These results confirm the presence of an electron beam.
Original languageEnglish
Pages (from-to)2826-2827
Number of pages2
JournalIEEE Transactions on Plasma Science
Volume42
Issue number10
Early online date31 Jan 2014
DOIs
Publication statusPublished - 21 Oct 2014

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Keywords

  • pseudospark
  • electron beam
  • hollow cathode
  • X-rays
  • visualization

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