Fig. 5: Test at the kHz operation regime.
From: A multi-MeV alpha particle source via proton-boron fusion driven by a 10-GW tabletop laser
a Example of the irradiated CR39 located at 0° of the filtered region (2.4 Al μm) after 3 h of etching and recorded at 1-kHz repetition rate using a BN target. b The area distribution of the recorded particle tracks for all the CR39 samples under conditions described in a).
