Abstract
The availability of the ultra-high intensity (>10^21 W/cm2), PW (30J/30fs) L3-HAPLS laser at ELI-Beamlines allows entering advanced laser-driven ion acceleration regimes, at a repetition rate up to 10 Hz. A sub-aperture of the L3-HAPLS laser beam (1.5J/30fs) was recently used to accelerate protons with energies approaching the 10-MeV level using the relatively thick (10-40 µm) plastic and metallic foils. Ion diagnostics were optimized for a real-time feedback during the experiment through various detectors, such as ion collectors, single-crystal diamond and silicon carbide detectors, Thomson parabola spectrometer and gamma-ray scintillators, along with a set of complementary passive detectors such as radiochromic films (RCF) and solid-state nuclear track films (CR-39). Analysis of large data acquired during the experimental campaign, summary of the key results and optimal conditions for laser-driven ion acceleration will be presented and discussed.
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