靶的厚度对激光产生的x射线输运到靶后能谱的影响  

Effects of target thickness on spectral characteristics of x-ray fluxfrom the laser-produced plasmas

作　　者：王薇[1] 张杰[1] 董全力[1] V.K.Senecha 

机构地区：[1]中国科学院物理研究所光物理开放实验室 [2]Laser Plasma Division,Centre for Advanced Technology

出　　处：《物理学报》2004年第3期967-972,共6页Acta Physica Sinica

基　　金：国家自然科学基金 (批准号 :1982 5 110 ;10 1760 3 4和 60 0 780 0 8);国家高技术研究发展计划资助的课题~~

摘　　要：利用一维辐射流体动力学程序MULTI数值模拟研究了功率为 10 1 4W cm2 、脉冲宽度为 1ns、波长为 0 35 μm的短脉冲强激光辐照不同厚度的平面Au靶时 。A detailed numerical simulation study of spectral characteristics of the x-ray flux from gold foil targets of different thickness irradiated by a 1ns laser pulse with 10 14W/cm 2 intensity at 0.35μm wavelength using the one dimensional radiation hydrodynamic code MULTI is investigated using one dimensional radiation hydrodynamic code MULTI.This is very important in the diagnosis of the x-ray spectrum and the design of an x-ray source.

关 键 词：激光等离子体 辐射流体力学 X射线转换 脉冲宽度 靶后能谱 辐射强度 

分 类 号：O434.1[机械工程—光学工程]