Breakdown limits on gigavolt-per-meter electron-beam-driven wakefields in dielectric structures

  • M. C. Thompson
  • , H. Badakov
  • , A. M. Cook
  • , J. B. Rosenzweig
  • , R. Tikhoplav
  • , G. Travish
  • , I. Blumenfeld
  • , M. J. Hogan
  • , R. Ischebeck
  • , N. Kirby
  • , R. Siemann
  • , D. Walz
  • , P. Muggli
  • , A. Scott
  • , R. B. Yoder

Research output: Contribution to journalArticlepeer-review

177 Scopus citations

Abstract

First measurements of the breakdown threshold in a dielectric subjected to GV/m wakefields produced by short (30-330fs), 28.5GeV electron bunches have been made. Fused silica tubes of 100μm inner diameter were exposed to a range of bunch lengths, allowing surface dielectric fields up to 27GV/m to be generated. The onset of breakdown, detected through light emission from the tube ends, is observed to occur when the peak electric field at the dielectric surface reaches 13.8±0.7GV/m. The correlation of structure damage to beam-induced breakdown is established using an array of postexposure inspection techniques.

Original languageEnglish (US)
Article number214801
JournalPhysical Review Letters
Volume100
Issue number21
DOIs
StatePublished - May 27 2008
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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