Petawatt-laser-driven wakefield acceleration of electrons to 2 GeV in 1017 cm-3 plasma

  • X. Wang
  • , R. Zgadzaj
  • , N. Fazel
  • , S. A. Yi
  • , X. Zhang
  • , W. Henderson
  • , Y. Y. Chang
  • , R. Korzekwa
  • , H. E. Tsai
  • , C. H. Pai
  • , Z. Li
  • , H. Quevedo
  • , G. Dyer
  • , E. Gaul
  • , M. Martinez
  • , A. Bernstein
  • , T. Borger
  • , M. Spinks
  • , M. Donovan
  • , S. Y. Kalmykov
  • V. Khudik, G. Shvets, T. Ditmire, M. C. Downer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

19 Scopus citations

Abstract

Electron self-injection into a laser-plasma accelerator (LPA) driven by the Texas Petawatt (TPW) laser is reported at plasma densities 1.7 - 6.2 × 1017 cm-3. Energy and charge of the electron beam, ranging from 0.5 GeV to 2 GeV and tens to hundreds of pC, respectively, depended strongly on laser beam quality and plasma density. Angular beam divergence was consistently around 0.5 mrad (FWHM), while shot-to-shot pointing fluctuations were limited to ±1.4 mrad rms. Betatron x-rays with tens of keV photon energy are also clearly observed.

Original languageEnglish
Title of host publicationAdvanced Accelerator Concepts - 15th Advanced Accelerator Concepts Workshop
Pages341-344
Number of pages4
DOIs
StatePublished - 2012
Event15th Advanced Accelerator Concepts Workshop, AAC 2012 - Austin, TX, United States
Duration: 10 Jun 201215 Jun 2012

Publication series

NameAIP Conference Proceedings
Volume1507
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference15th Advanced Accelerator Concepts Workshop, AAC 2012
Country/TerritoryUnited States
CityAustin, TX
Period10/06/1215/06/12

Keywords

  • 2GeV electron
  • Texas petawatt laser
  • betatron radiation
  • wakefield acceleration

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