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

Year: 2003

Authors: Borghesi M., Romagnani L., Schiavi A., Campbell D.H., Haines M.G., Willi O., Mackinnon A.J., Galimberti M., Gizzi LA., Clarke R.J., Hawkes S.

Autors Affiliation: Queens Univ Belfast, Dept Pure & Appl Phys, Belfast BT7 1NN, Antrim North Ireland;
Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 1BZ, England;
Univ Dusseldorf, Inst Laser & Plasmaphys, D-4000 Dusseldorf, Germany;
Lawrence Livermore Natl Lab, Livermore, CA 94551 USA;
CNR, Ist Proc Chim Fis, I-56100 Pisa, Italy;
Rutherford Appleton Lab, Cent Laser Facil, Chilton OX11 0QX, England

Abstract: 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 similar to10(19) W cm(2). 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. (C) 2003 American Institute of Physics.


Volume: 82 (10)      Pages from: 1529  to: 1531

KeyWords: ultra intense laser-matter interaction
DOI: 10.1063/1.1560554

Citations: 85
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