Imaging of pressure-dependent high-power microwave surface flashover

Sterling R. Beeson, Patrick J. Ford, Jonathan Foster, Hermann G. Krompholz, Andreas A. Neuber

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Open-shutter and intensified charge-coupled device images of high-power microwave breakdown were taken in an effort to characterize the pressure dependence of plasma development. These images were taken with a Nikon D200 and Andor iStar DH734-25U-03, respectively. With the pressures increasing from 200 mtorr to 155 torr, the plasma changes from a diffuse discharge encompassing a large volume to a multichannel structure following the electric field lines.

Original languageEnglish
Article number5772013
Pages (from-to)2600-2601
Number of pages2
JournalIEEE Transactions on Plasma Science
Volume39
Issue number11 PART 1
DOIs
StatePublished - Nov 2011

Keywords

  • Dielectric breakdown
  • flashover
  • high-power microwaves (HPMs)
  • low-pressure discharge
  • plasma imaging

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