Brewster angle of shock-compressed xenon plasmas
Brewster angle of shock-compressed xenon plasmas
复制标题
冲击压缩氙等离子体的布鲁斯特角
DOI：
--
复制
发表时间：
2015
期刊：
影响因子：
--
通讯作者：
I. Saitov
中科院分区：
文献类型：
--
作者：
G. Norman;I. Saitov
利用布鲁斯特角测量的实验结果估计了氙气激波前的宽度。讨论了激波前宽度对稠密氙气反射率的可能影响。布鲁斯特角的计算值相对于实验值发生了偏移。这可能部分与波前的非零宽度有关。1064、694和532 nm波长的宽度估计值分别为161、154和145 nm。这些值是在光学非均匀介质反射的德鲁德理论框架内得到的。利用密度泛函理论（DFT）计算介质的介电函数和折射率。讨论了所发现的宽度是否会影响在DFT框架内得到的法向反射率。
Experimental results for Brewster angle measurements are used to estimate the width of the shock front in xenon. The possible influence of the shock front width on the dense xenon reflectivity is discussed. The calculated values of the Brewster angle are shifted with respect to the experimental values. It may be partially related to the nonzero width of the wave front. The estimated values of the widths are 161, 154, and 145 nm for the wavelengths 1064, 694, and 532 nm respectively. These values are obtained within the framework of the Drude theory of reflection in the optically nonuniform media. The density functional theory (DFT) is applied to calculate values of the dielectric function and refraction. The effect is discussed if the widths found could influence the normal reflectivity obtained in the framework of the DFT.