Vol. 20, issue 08, article # 13

pdf Kravchenko A. V., Kravchenko V. F. Modeling of longitudinal discharge plasma resistance used in pumping repetitively pulsed gas-discharge lasers. // Atmospheric and oceanic optics. 2007. V. 20. No. 08. P. 681-683.
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The group of invariant transformations for a system of differential equations describing evolution processes of plasma of the high-current phase of repetitively pulsed gas-discharge lasers is found. Transformation invariants are determined and used to find the dependence of discharge resistance on time and discharge parameters. It is shown that at certain invariant values the determined theoretical time dependence of the discharge plasma resistance is in good agreement with the experimental one.