Proton acceleration by collisionless shocks using a supersonic H 2 gas-jet target and high-power infrared laser pulses - Sorbonne Université Access content directly
Journal Articles Physics of Plasmas Year : 2019

Proton acceleration by collisionless shocks using a supersonic H 2 gas-jet target and high-power infrared laser pulses

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.
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Dates and versions

hal-02418729 , version 1 (08-12-2020)

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P. Puyuelo-Valdes, J. Henares, F. Hannachi, T. Ceccotti, J. Domange, et al.. Proton acceleration by collisionless shocks using a supersonic H 2 gas-jet target and high-power infrared laser pulses. Physics of Plasmas, 2019, 26 (12), pp.123109. ⟨10.1063/1.5116337⟩. ⟨hal-02418729⟩
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