Enhanced laser-driven proton-acceleration from limited mass targets by high temporal contrast ultra-intense lasers

S. Buffechoux*, M. Nakatsutsumi, A. Andreev, K. Zeil, T. Burris, G. Sarri, M. Amin, P. Antici, S. Fourmaux, S. Gaillard, A. Mancic, M. Tampo, H. Pépin, P. Audebert, O. Willi, T. Cowan, M. Borghesi, J. Fuchs

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Beam optimization of laser-accelerated protons is required to progress towards the development of applications, e.g. for fast ignition of fusion targets or dense plasma radiography. For this, three areas of improvement need to be pursued: increasing the maximum proton energy, enhancing the laser-to-protons conversion efficiency and reducing the beam divergence. Here we report on the reasoning which led us to envision limited size target to improve protons acceleration. We point out that pre plasma leakage from the target front side is a critical issue to allow efficient acceleration from such limited size targets and show that with very high temporal contrast laser pulses proton acceleration is improved in such targets.

Original languageEnglish
Title of host publicationLight at Extreme Intensities
Subtitle of host publicationOpportunities and Technological Issues of the Extreme Light Infrastructure, LEI 2009 - Proceedings of the Conference
Pages279-286
Number of pages8
Volume1228
DOIs
Publication statusPublished - 28 Oct 2010
Event1st International Conference on Light at Extreme Intensities - Scientific Opportunities and Technological Issues of the Extreme Light Infrastructure, LEI 2009 - Brasov, Romania
Duration: 16 Oct 200921 Oct 2009

Conference

Conference1st International Conference on Light at Extreme Intensities - Scientific Opportunities and Technological Issues of the Extreme Light Infrastructure, LEI 2009
CountryRomania
CityBrasov
Period16/10/200921/10/2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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