Laser wakefield acceleration experiments at the university of Michigan

T. Matsuoka*, C. McGuffey, C. M. Huntington, Y. Horovitz, F. Dollar, S. S. Bulanov, V. Chvykov, G. Kalintchenko, S. Reed, P. Rousseau, V. Yanovsky, M. Levin, A. Zigler, R. P. Drake, A. Maksimchuk, K. Krushelnick

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Laser wakefield acceleration (LWFA) in a supersonic gas-jet using a self-guided laser pulse was studied by changing the laser power and electron density. The recently upgraded HERCULES laser facility equipped with wavefront correction enables a peak intensity of 8× 1019 W/cm2 at laser power of 100 TW to be delivered to the gas-jet using f/10 focusing optics. We found that electron beam charge was increased significantly with an increase of the laser power from 30 TW to 80 TW and showed density threshold behavior at a fixed laser power. Betatron motion of electrons was also observed depending on laser power and electron density.

Original languageEnglish
Pages (from-to)184-189
Number of pages6
JournalAIP Conference Proceedings
Volume1086
DOIs
StatePublished - 2009
Event13th Advanced Accelerator Concepts Workshop - Santa Cruz, CA, United States
Duration: 27 Jul 20082 Aug 2008

Keywords

  • Injection threshold
  • Laser wakefield acceleration
  • Wavefront correction

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