Measurement of highly transient electrical charging following high-intensity laser–solid interaction

Borghesi, M.; Romagnani, L.; Schiavi, A.; Campbell, D. H.; Haines, M. G.; Willi, O.; Mackinnon, A. J.; Galimberti, M.; Gizzi, L.; Clarke, R. J.; Hawkes, S.
March 2003
Applied Physics Letters;3/10/2003, Vol. 82 Issue 10, p1529
Academic Journal
The multi-million-electron-volt proton beams accelerated during high-intensity laser-solid interactions have been used as a particle probe to investigate the electric charging of microscopic targets laser-irradiated at intensity ∼10[sup 19] W cm². The charge-up, detected via the proton deflection with high temporal and spatial resolution, is due to the escape of energetic electrons generated during the interaction. The analysis of the data is supported by three-dimensional tracing of the proton trajectories.


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