Spatially resolved x-ray spectroscopy investigation of femtosecond laser irradiated Ar clusters.
作者信息
Junkel-Vives G C, Abdallah J, Auguste T, D'Oliveira P, Hulin S, Monot P, Dobosz S, Faenov A Ya, Magunov A I, Pikuz T A, Skobelev I Yu, Boldarev A S, Gasilov V A
机构信息
Theoretical Division, T-4, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545.
出版信息
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Mar;65(3 Pt 2B):036410. doi: 10.1103/PhysRevE.65.036410. Epub 2002 Feb 27.
High temperature plasmas have been created by irradiating Ar clusters with high intensity 60-fs laser pulses. Detailed spectroscopic analysis of spatially resolved, high resolution x-ray data near the He(alpha) line of Ar is consistent with a two-temperature collisional-radiative model incorporating the effects of highly energetic electrons. The results of the spectral analysis are compared with a theoretical hydrodynamic model of cluster production, as well as interferometric data. The plasma parameters are notably uniform over one Rayleigh length (600 microm).
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