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A cascaded laser acceleration scheme for the generation of spectrally controlled proton beams
Authors
J. Heymann
O. Jäckel
+6 more
M.C. Kaluza
S.M. Pfotenhauer
J. Polz
A.P.L. Robinson
H.-P. Schlenvoigt
S. Steinke
Publication date
1 January 2010
Publisher
College Park, MD : Institute of Physics Publishing
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Abstract
We present a novel, cascaded acceleration scheme for the generation of spectrally controlled ion beams using a laser-based accelerator in a 'double-stage' setup. An MeV proton beam produced during a relativistic laser-plasma interaction on a thin foil target is spectrally shaped by a secondary laser-plasma interaction on a separate foil, reliably creating well-separated quasi-monoenergetic features in the energy spectrum. The observed modulations are fully explained by a one-dimensional (1D) model supported by numerical simulations. These findings demonstrate that laser acceleration can, in principle, be applied in an additive manner. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
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Last time updated on 23/07/2022