Passive tailoring of laser-accelerated ion beam cut-off energy by using double foil assembly

A double foil assembly is shown to be effective in tailoring the maximum energy produced by a laser-accelerated proton beam. The measurements compare favorably with adiabatic expansion simulations, and particle-in-cell simulations. The arrangement proposed here offers for some applications a simple...

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Bibliographic Details
Published in:Physics of plasmas 2014-02, Vol.21 (2)
Main Authors: Chen, S. N., Robinson, A. P. L., Antici, P., Brambrink, E., d'Humières, E., Gaillard, S., Grismayer, T., Mancic, A., Mora, P., Romagnani, L., Audebert, P., Pépin, H., Fuchs, J.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Assembly
COMPARATIVE EVALUATIONS
CONVERSION
EFFICIENCY
Energy conversion efficiency
EXPANSION
FOILS
ION BEAMS
Irradiance
Laser beams
LASERS
Particle in cell technique
Plasma physics
PROTON BEAMS
RADIANT FLUX DENSITY
SIMULATION
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Summary:A double foil assembly is shown to be effective in tailoring the maximum energy produced by a laser-accelerated proton beam. The measurements compare favorably with adiabatic expansion simulations, and particle-in-cell simulations. The arrangement proposed here offers for some applications a simple and passive way to utilize simultaneously highest irradiance lasers that have best laser-to-ion conversion efficiency while avoiding the production of undesired high-energy ions.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4867181