Multi-MeV proton source investigations in ultraintense laser- foil interactions

M. Borghesi, A.J. Mackinnon, D.H. Campbell, D.G. Hicks, S. Kar, P.K. Patel, D. Price, L. Romagnani, A. Schiavi, O. Willi

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Abstract

A study of the properties of multi-MeV proton emission from thin foils following ultraintense laser irradiation has been carried out. It has been shown that the protons are emitted, in a quasilaminar fashion, from a region of transverse size of the order of 100-200 mum. The imaging properties of the proton source are equivalent to those of a much smaller source located several hundred mum in front of the foil. This finding has been obtained by analyzing proton radiographs of periodically structured test objects, and is corroborated by observations of proton emission from laser-heated thick targets.
Original languageEnglish
Article number055003
Number of pages4
JournalPhysical Review Letters
Volume9
Issue number5
DOIs
Publication statusPublished - 06 Feb 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Borghesi, M., Mackinnon, A. J., Campbell, D. H., Hicks, D. G., Kar, S., Patel, P. K., Price, D., Romagnani, L., Schiavi, A., & Willi, O. (2004). Multi-MeV proton source investigations in ultraintense laser- foil interactions. Physical Review Letters, 9(5), [055003]. https://doi.org/10.1103/PhysRevLett.92.055003