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Improving proton acceleration with circularly polarized intense laser pulse by radial confinement with heavy ions

Authors :
Huang, L. G.
Lei, A. L.
Bin, J. H.
Bai, Y.
Yu, W.
Yu, M. Y.
Cowan, T. E.
Huang, L. G.
Lei, A. L.
Bin, J. H.
Bai, Y.
Yu, W.
Yu, M. Y.
Cowan, T. E.
Source :
Physics of Plasmas 17(2010), 013106
Publication Year :
2010

Abstract

Energetic proton acceleration from interaction of intense short circularly polarized laser pulse with a sandwich target is investigated using two-dimensional particle-in-cell simulation. The sandwich target consists of a hydrogen-plasma layer surrounded by carbon-plasma layers. It is found that the transverse electric fields generated at the plasma layer interfaces efficiently confine the longitudinally accelerated protons to within the hydrogen-plasma layer such that they are collimated and have smaller energy spread compared with a pure proton layer target. The proton energy spectrum can be controlled by adjusting the target parameters, in particular the width of the hydrogen-plasma layer and the density of the carbon-plasma layer.

Details

Database :
OAIster
Journal :
Physics of Plasmas 17(2010), 013106
Notes :
application/pdf, English
Publication Type :
Electronic Resource
Accession number :
edsoai.on1415619610
Document Type :
Electronic Resource