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Enhanced proton beam collimation in the ultra-intense short pulse regime

Abstract:

The collimation of proton beams accelerated during ultra-intense laser irradiation of thin aluminum foils was measured experimentally whilst varying laser contrast. Increasing the laser contrast using a double plasma mirror system resulted in a marked decrease in proton beam divergence (20°to <10°), and the enhanced collimation persisted over a wide range of target thicknesses (50nm-6μm), with an increased flux towards thinner targets. Supported by numerical simulation, the larger beam div...

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Publication status:
Published

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Authors


Borghesi, M More by this author
Brenner, CM More by this author
Cameron, FH More by this author
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Publisher:
Institute of Physics Publishing
Journal:
PLASMA PHYSICS AND CONTROLLED FUSION
Volume:
56
Issue:
8
Pages:
084001-084001
Publication date:
2014-08-05
DOI:
EISSN:
1361-6587
ISSN:
0741-3335
URN:
uuid:ceea2cbb-8bb6-466f-b33f-59002bd18370
Source identifiers:
478222
Local pid:
pubs:478222
Language:
English
Keywords:

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