Simulations of neon irradiated by intense X-ray laser radiation
Simulations of neon irradiated by intense X-ray laser radiation
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DOI：
10.1016/j.hedp.2011.02.003
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发表时间：
2011-09-01
影响因子：
1.6
通讯作者：
Wark, Justin S.
中科院分区：
文献类型：
--
作者：
Ciricosta, Orlando;Chung, Hyun-Kyung;Wark, Justin S.
我们提出了模拟的电荷态产生的强X射线激光辐射与氖的相互作用。我们模拟了最近实验的结果（Young等人，Nature 466，56（2010）），其中光子能量范围为800至2000 eV且脉冲长度范围为70至340 fs的mJ X射线脉冲以高达10（18）W cm（-2）的强度入射到氖原子上。模拟使用的SCFLY碰撞辐射代码，其中包括电子碰撞的影响和一个简单的自洽温度模型的适应版本，结果在电荷态分布与实验数据吻合良好。我们计算的等离子体的演化过程中的系统的电子温度，并评论碰撞可能发挥的作用，在确定的氖离子数密度的函数的电荷态分布。(C)2011年爱思唯尔B。版权所有© 2016
We present simulations of the charge states produced by the interaction of intense X-ray laser radiation with a neon gas. We model the results of a recent experiment (Young et al., Nature 466, 56 (2010)), where mJ pulses of X-rays, with photon energies ranging from 800 to 2000 eV and pulse lengths ranging from 70 to 340 fs were incident on neon atoms at intensities of up to 10(18) W cm(-2). Simulations using an adapted version of the SCFLY collisional-radiative code, which included the effect of electron collisions and a simple self-consistent temperature model, result in charge state distributions that are in good agreement with the experimental data. We calculate the electron temperature of the system during the evolution of the plasma, and comment upon the role that collisions may play in determining the charge state distributions as a function of the neon ion number density. (C) 2011 Elsevier B. V. All rights reserved.