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초강력 레이저 과학 연구단
초강력 레이저과학 연구단
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Effective post-acceleration of ion bunches in foils irradiated by ultra-intense laser pulses

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Title
Effective post-acceleration of ion bunches in foils irradiated by ultra-intense laser pulses
Author(s)
Andreev, AA; P. V. Nickles; Platonov, KY
Publication Date
2014-08
Journal
PHYSICS OF PLASMAS, v.21, no.8, pp.083110 -
Publisher
AMER INST PHYSICS
Abstract
Two-step laser acceleration of protons with two foils and two laser pulses is modelled and optimized. It is shown that a nearly mono-energetic distribution of proton bunches can be realized by a suitable parameter choice. Two-step acceleration schemes make it possible to obtain both higher efficiency and energy as compared to the acceleration with only one laser pulse of an energy equal to the sum of the energy of the two pulses. With the aid of our analytical model, the optimal distance between the two targets, the delay between the two laser pulses, and the parameters of the laser pulses are determined. Estimates and results of the modelling are proven with 2D PIC simulations of the acceleration of proton bunches moving through the second target.
URI
http://pr.ibs.re.kr/handle/8788114/936
DOI
10.1063/1.4892957
ISSN
1070-664X
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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