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High current plasma electron emitter

  • G. Fiksel
  • , D. Craig
  • , D. J.Den Hartog
  • , D. Holly
  • , R. Kendrick
  • , T. W. Lovell
  • , S. Oliva
  • , S. C. Prager
  • , J. S. Sarff
  • , M. A. Thomas

Research output: Contribution to journalConference articlepeer-review

Abstract

A high current plasma electron emitter based on a miniature plasma source has been developed. The source is characterized by a high electron emission current density and emission current, small size, and low impurity content. The emitting plasma is created by a pulsed high current gas discharge. The source is biased negatively to extract electrons. Electron currents of the order of 1 kA at a bias voltage of about 100 V are obtained. The source has a simple design and has proven to be very reliable in operation. Extensive studies of the effect of the source geometry and materials have been conducted.

Original languageEnglish (US)
Pages (from-to)219
Number of pages1
JournalIEEE International Conference on Plasma Science
StatePublished - 1996
EventProceedings of the 1996 IEEE International Conference on Plasma Science - Boston, MA, USA
Duration: Jun 3 1996Jun 5 1996

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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