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. KalmykovV. Khudik, G. Shvets, T. Ditmire, M. C. Downer

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

17 Scopus citations


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
Number of pages4
StatePublished - 2012
Event15th Advanced Accelerator Concepts Workshop, AAC 2012 - Austin, TX, United States
Duration: 10 Jun 201215 Jun 2012

Publication series

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


Conference15th Advanced Accelerator Concepts Workshop, AAC 2012
Country/TerritoryUnited States
CityAustin, TX


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


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