Proton acceleration by collisionless shocks using a supersonic H2 gas-jet target and high-power infrared laser pulses

  • P. Puyuelo-Valdes
  • , J. L. Henares
  • , F. Hannachi
  • , T. Ceccotti
  • , J. Domange
  • , M. Ehret
  • , E. D'humieres
  • , L. Lancia
  • , J. R. Marquès
  • , X. Ribeyre
  • , J. J. Santos
  • , V. Tikhonchuk
  • , M. Tarisien

Research output: Contribution to journalArticlepeer-review

Abstract

For most laser-driven ion acceleration applications, a well-characterized intense ion beam with a low divergence and a controllable energy spectrum produced at a high repetition rate is needed. Gas-jet targets have given promising results in simulations, and they have several technical advantages for high-repetition-rate lasers. In this work, we report on proton acceleration to energies up to 6 MeV using a supersonic H2 gas-jet target at the LULI PICO2000 laser facility. The experimental results are compared with the plasma hydrodynamics and the particle-in-cell simulations to identify the acceleration mechanisms at play.

Original languageEnglish
Article number123109
JournalPhysics of Plasmas
Volume26
Issue number12
DOIs
Publication statusPublished - 1 Dec 2019

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