First demonstration of multi-MeV proton acceleration from a cryogenic hydrogen ribbon target

Abstract

We show efficient laser driven proton acceleration up to 14MeV from a 50 $\mu$m thick cryogenic hydrogen ribbon. Pulses of the short pulse laser ELFIE at LULI with a pulse length of $\approx$ 350 fs at an energy of 8 J per pulse are directed onto the target. The results are compared to proton spectra from metal and plastic foils with different thicknesses and show a similar good performance both in maximum energy as well as in proton number. Thus, this target type is a promising candidate for experiments with high repetition rate laser systems.

arXiv comment9 pages

References in corpus (4)

• Ion acceleration by superintense laser-plasma interaction
• Monoenergetic proton beams accelerated by a radiation pressure driven shock
• Liquid crystal films as on-demand, variable thickness (50-5000 nm) targets for intense lasers
• Compact Cryogenic Source of Periodic Hydrogen and Argon Droplet Beams for Relativistic Laser-Plasma Generation

Cited by in corpus (2)

• Spin polarized proton beam generation from gas-jet targets by intense laser pulses
• Spectral Control via Multi-Species Effects in PW-Class Laser-Ion Acceleration