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Numerical modeling of a He-Kr coil hollow cathode laser

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Abstract

A theoretical study of a He-Kr laser (KrII, 469.4 nm line) pumped by a helical hollow cathode discharge is presented. A detailed kinetic model of plasmachemical reactions and radiative processes including the influence of gas heating on the active medium is developed. In the process of numerical calculations the dependence of the plasma parameters (electron and gas temperature, electron and metastable density, upper and lower laser level density) and laser characteristics (output power and gain coefficient) on the variations of discharge pumping, gas-mixture partial pressures and geometry of the coil hollow cathode, are investigated. The results of the numerical calculations are in a good agreement with the experimental data.

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Authors and Affiliations

  1. General Physics Institute, Russian Academy of Sciences, 38 Vavilov Str., 117942, Moscow, USSR

    A. V. Karelin & S. I. Yakovlenko

  2. Georgi Nadjakov Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, BG-1784, Sofia, Bulgaria

    M. S. Stefanova & P. M. Pramatarov

Authors
  1. A. V. Karelin
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  2. M. S. Stefanova
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  3. P. M. Pramatarov
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  4. S. I. Yakovlenko
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Karelin, A.V., Stefanova, M.S., Pramatarov, P.M. et al. Numerical modeling of a He-Kr coil hollow cathode laser. Appl. Phys. B 57, 293–300 (1993). https://doi.org/10.1007/BF00325209

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  • DOI: https://doi.org/10.1007/BF00325209

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