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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/32588591
Record Status
Checked
Record Id
32588591
Title
High contrast ion acceleration at intensities exceeding 1021 Wcm−2
Contributors
F Dollar
,
C Zulick
,
T Matsuoka
,
C McGuffey
,
SS Bulanov
,
V Chvykov
,
J Davis
,
G Kalinchenko
,
GM Petrov
,
L Willingale
,
V Yanovsky
,
A Maksimchuk
,
AGR Thomas (Lancaster University)
,
K Krushelnick
Abstract
Ion acceleration from short pulse laser interactions at intensities of 2×1021Wcm−2 was studied experimentally under a wide variety of parameters, including laser contrast, incidence angle, and target thickness. Trends in maximum proton energy were observed, as well as evidence of improvement in the acceleration gradients by using dual plasma mirrors over traditional pulse cleaning techniques. Extremely high efficiency acceleration gradients were produced, accelerating both the contaminant layer and high charge state ions from the bulk of the target. Two dimensional particle-in-cell simulations enabled the study of the influence of scale length on submicron targets, where hydrodynamic expansion affects the rear surface as well as the front. Experimental evidence of larger electric fields for sharp density plasmas is observed in simulation results as well for such targets, where target ions are accelerated without the need for contaminant removal.
Organisation
CI
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Language
English (EN)
Type
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Year
Journal Article
Phys Plasmas
20, no. 5 (2013): 056703.
doi:10.1063/1.4803082
2013
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