19 December 2003 Modeling and experimental investigations of x-ray lasers in Russian Federal Nuclear Center-VNIIEF
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Abstract
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 presented. 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 c-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.
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Fedor A. Starikov, Fedor A. Starikov, Aleksandr V. Bessarab, Aleksandr V. Bessarab, Petros D. Gasparyan, Petros D. Gasparyan, Gennadi A. Kirillov, Gennadi A. Kirillov, Vladimir A. Tokarev, Vladimir A. Tokarev, Nikolai V. Jidkov, Nikolai V. Jidkov, } "Modeling and experimental investigations of x-ray lasers in Russian Federal Nuclear Center-VNIIEF", Proc. SPIE 5197, Soft X-Ray Lasers and Applications V, (19 December 2003); doi: 10.1117/12.504416; https://doi.org/10.1117/12.504416
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