The impact of femtosecond pre-pulses on nanometer thin foils for laser-ion acceleration

被引：7
|
作者：
Zhou, M. L. [1 ,2 ,3 ]
Bin, J. H. [3 ]
Haffa, D. [3 ]
Yan, X. Q. [1 ,2 ]
Schreiber, J. [3 ]
机构：
[1] Peking Univ, CAPT, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
[2] Peking Univ, CAPT, Minist Educ, Key Lab HEDP, Beijing 100871, Peoples R China
[3] Ludwig Maximilians Univ Munchen, Fak Phys, Coulombwall 1, D-85748 Garching, Germany
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2017年 / 59卷 / 05期
关键词：
laser contrast; short prepulses; plasma expansion; laser-ion acceleration; PROTON ACCELERATION; PLASMA INTERACTION; COMPUTER CODE; PULSE; IRRADIATION; TARGETS; MULTI;
D O I：
10.1088/1361-6587/aa66cf
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We investigated the influence of femtosecond short pre-pulses on the expansion of thin foils for laser-ion acceleration. By analysing the hydrodynamic simulation results, we develop a simple numerical model to describe the evolution of foil as a function of intensity I-0 and time t at which pre-pulse impacts the foil prior to the main pulse. We find this investigation particularly helpful for the new generation of laser ion accelerators and the respective quantification of temporal contrast requirements in the era of Petawatt laser driver.
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收藏
页数：5
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