Determination of gas-discharge plasma parameters in powerful metal halide vapor lasers

Krassimir A. Temelkov; Stefka I. Slaveeva; Yulian I. Fedchenko

doi:10.1117/12.2261668

5 January 2017 Determination of gas-discharge plasma parameters in powerful metal halide vapor lasers

Krassimir A. Temelkov, Stefka I. Slaveeva, Yulian I. Fedchenko

Proceedings Volume 10226, 19th International Conference and School on Quantum Electronics: Laser Physics and Applications; 102261H (2017) https://doi.org/10.1117/12.2261668
Event: International Conference and School on Quantum Electronics "Laser Physics and Applications" - ICSQE 2016, 2016, Sozopol, Bulgaria

Abstract

Powerful metal halide vapor lasers are excited with nanosecond pulsed longitudinal discharge in complex multicomponent gas mixtures. Using a new method, thermal conductivity of various 5- and 6-component gas mixtures is obtained under gas-discharge conditions, which are optimal for laser operation on the corresponding metal atom and ion transitions. Assuming that the gas temperature varies only in the radial direction and using the calculated thermal conductivities, an analytical solution of the steady-state heat conduction equation is found for uniform and radially nonuniform power input in various laser tube constructions. Using the results obtained for time-resolved electron temperature by measurement of electrical discharge characteristics and analytically solving steady-state heat conduction equation for electrons as well, radial distribution of electron temperature is also obtained for the discharge period.

Citation Download Citation

Krassimir A. Temelkov, Stefka I. Slaveeva, and Yulian I. Fedchenko "Determination of gas-discharge plasma parameters in powerful metal halide vapor lasers", Proc. SPIE 10226, 19th International Conference and School on Quantum Electronics: Laser Physics and Applications, 102261H (5 January 2017); https://doi.org/10.1117/12.2261668

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