Laser driven ion acceleration in high-density gas jets

P. Puyuelo-Valdes; J-L. Henares; F. Hannachi; T. Ceccotti; J. Domange; M. Ehret; E. D'Humieres; L. Lancia; J-R. Marquès; J. Santos; M. Tarisien

doi:10.1117/12.2520799

24 April 2019 Laser driven ion acceleration in high-density gas jets

P. Puyuelo-Valdes, J-L. Henares, F. Hannachi, T. Ceccotti, J. Domange, M. Ehret, E. D'Humieres, L. Lancia, J-R. Marquès, J. Santos, M. Tarisien

Author Affiliations +

Proceedings Volume 11037, Laser Acceleration of Electrons, Protons, and Ions V; 110370B (2019) https://doi.org/10.1117/12.2520799
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

For most applications of laser driven ion beams, a well-characterized high repetition rate intense ion beam with low divergence and a controllable energy spectrum is needed. High power laser-solid targets interactions are usually used, in which the main acceleration mechanism is the so-called Target Normal Sheath Acceleration (TNSA). Changing solid targets for overcritical gas jet targets has given interesting results in theoretical simulations and these later have several technical advantages for high repetition rate lasers. In this work protons and helium ions are accelerated from a near-critical supersonic gas jet. The production of such targets is very challenging for near infrared lasers. We present recent results concerning the design and characterization of supersonic gas nozzles able to deliver such high densities and the first results obtained during the first experiment on PICO2000 facility at LULI. We succeeded to accelerate ions up to several MeV with a H₂ and He gas jet target. The number of accelerated ions is comparable to the one usually obtained with solid targets.

Conference Presentation

Citation Download Citation

P. Puyuelo-Valdes, J-L. Henares, F. Hannachi, T. Ceccotti, J. Domange, M. Ehret, E. D'Humieres, L. Lancia, J-R. Marquès, J. Santos, and M. Tarisien "Laser driven ion acceleration in high-density gas jets", Proc. SPIE 11037, Laser Acceleration of Electrons, Protons, and Ions V, 110370B (24 April 2019); https://doi.org/10.1117/12.2520799

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