Kinetic model of a pulsed He-Zn hollow cathode laser

A. A. Peeva; Petko M. Pramatarov; Margarita St. Stefanova

doi:10.1117/12.347608

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7 May 1999 Kinetic model of a pulsed He-Zn hollow cathode laser

A. A. Peeva; Petko M. Pramatarov; Margarita St. Stefanova

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Proceedings Volume 3571, Tenth International School on Quantum Electronics: Laser Physics and Applications; (1999) https://doi.org/10.1117/12.347608
Event: 10th International School on Quantum Electronics: Lasers: Physics and Applications, 1998, Varna, Bulgaria

Abstract

A theoretical study on a He-Zn laser operating on the Zn II 758.8 nm line in the negative glow plasma of a pulsed hollow cathode discharge at intermediate pressures is presented. A detailed kinetic model of the plasmochemical reactions and radiative processes determining the inversion population on the Zn II 5p ²P_3/2 - 5s ²S_1/2 transition (758.8 nm line) is developed. A system of 13 non-stationary differential equations for the plasma and laser parameters is solved. The time dependent behavior of the plasma and laser parameters (excited states populations, electron and ion densities and laser gain) are numerically calculated. The behavior of the plasma and laser parameters as a function of the discharge conditions is obtained. The results are in a good agreement with experimental data.

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A. A. Peeva, Petko M. Pramatarov, and Margarita St. Stefanova "Kinetic model of a pulsed He-Zn hollow cathode laser", Proc. SPIE 3571, Tenth International School on Quantum Electronics: Laser Physics and Applications, (7 May 1999); https://doi.org/10.1117/12.347608

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