Theory and simulation of ion acceleration with circularly polarized laser pulses

被引：17

作者：

Macchi, Andrea ^{[1
,2
]}

Liseikina, Tatiana V. ^{[3
]}

Tuveri, Sara ^{[1
]}

Veghini, Silvia ^{[1
]}

机构：

[1] Univ Pisa, Dept Phys E Fermi, Largo B Pontecorvo 3, I-56127 Pisa, Italy

[2] CNR INFM PolyLAB, I-56127 Pisa, Italy

[3] Max Planck Inst Nucl Phys, D-69029 Heidelberg, Germany

来源：

COMPTES RENDUS PHYSIQUE | 2009年 / 10卷 / 2-3期

关键词：

Laser-plasma acceleration; Ion acceleration; Radiation pressure; Circular polarization;

D O I：

10.1016/j.crhy.2009.03.002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Ion acceleration driven by the radiation pressure of circularly polarized pulses is investigated via analytical modeling and particle-in-cell simulations. Both thick and thin targets, i.e. the "hole boring" and "light sail" regimes are considered. Parametric studies in one spatial dimension are used to determine the optimal thickness of thin targets and to address the effects of preformed plasma profiles and laser pulse ellipticity in thick targets. Three-dimensional (3D) simulations show that "flat-top" radial profiles of the intensity are required to prevent early laser pulse breakthrough in thin targets. The 3D simulations are also used to address the issue of the conservation of the angular momentum of the laser pulse and its absorption in the plasma. To cite this article: A. Macchi et al., C R. Physique 10 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：207 / 215

页数：9

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