Collisionless shocks driven by 800-nm laser pulses generate high-energy carbon ions

  • H. Zhang
  • , B. F. Shen
  • , W. P. Wang
  • , Y. Xu
  • , Y. Q. Liu
  • , X. Y. Liang
  • , Y. X. Leng
  • , R. X. Li
  • , X. Q. Yan
  • , J. E. Chen
  • , Z. Z. Xu

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

We present experimental studies on ion acceleration from diamond-like carbon (DLC) foils irradiated by 800-nm, linearly polarized laser pulses with peak intensity of 1.7-×-1019-W/cm2 to 3.5 × 1019-W/cm2 at oblique incidence. Diamond-like carbon foils are heated by the prepulse of a high-contrast laser pulse and expand to form plasmas of near-critical density caused by thermal effect before the arrival of the main pulse. It is demonstrated that carbon ions are accelerated by a collisionless shock wave in slightly overdense plasma excited by forward-moving hot electrons generated by the main pulse.

Original languageEnglish
Article number013113
JournalPhysics of Plasmas
Volume22
Issue number1
DOIs
StatePublished - 1 Jan 2015
Externally publishedYes

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