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首页> 外文会议>Conference on Soft X-Ray Lasers and Applications V; Aug 6-7, 2003; San Diego, California, USA >Modeling and experimental investigations of x-ray laser in Russian Federal Nuclear Center - VNIIEf
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Modeling and experimental investigations of x-ray laser in Russian Federal Nuclear Center - VNIIEf

机译：俄罗斯联邦核中心的X射线激光建模和实验研究-VNIIEf

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摘要

The results of modeling and experimental investigations on the laboratory x-ray laser in RFNC-VNIIEF are presented. The computational model and TRANS computer code of transient amplified spontaneous emission (ASE) have been developed. The actual 3D medium, random polarization source, diffraction, refraction, gain with saturation, scattering by fluctuations of density can taken into account in the model. The 3D calculations of ASE in a Ne-like titanium x-ray laser with transient collisional excitation are peresented. Results of experiments are described on Ne-like Ge x-ray laser realized at irradiation of the target by radiation of the ISKRA-5 laser facility. The quasi-steady-state ASE generation on 3p, J=0-3s, J=1 transition of Ne-like Ge (19.6 nm) is observed that is the first demonstration of x-ray laser in Russia in laboratory conditions. The divergence of ASE in a direction perpendicular to the target is about 10 mrad, and ASE beam deflection with respect to an optical axis is about 10 mrad. The experimental data are compared with simulation results.
机译：介绍了在RFNC-VNIIEF中对实验室X射线激光进行建模和实验研究的结果。已经开发了瞬态放大自发辐射（ASE）的计算模型和TRANS计算机代码。在模型中可以考虑实际的3D介质，随机偏振源，衍射，折射，饱和增益，密度波动引起的散射。提出了在具有瞬态碰撞激发的Ne型钛X射线激光中ASE的3D计算。实验结果描述在通过ISKRA-5激光设备的辐射对目标进行辐照的Ne型Ge x射线激光上。观察到在3p，J = 0-3s，J = 1的Ne状Ge（19.6 nm）跃迁上产生准稳态ASE，这是俄罗斯在实验室条件下首次展示X射线激光。 ASE在垂直于靶的方向上的发散约为10毫弧度，并且ASE光束相对于光轴的偏转约为10毫弧度。将实验数据与仿真结果进行比较。

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