Balance of CO molecules in the plasma of a sealed-off CO laser

Authors: Grigorian, G.; Kochetov, I.

Source: Plasma Physics Reports, Volume 30, Number 9, September 2004 , pp. 788-796(9)

Publisher: MAIK Nauka/Interperiodica

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Abstract:

The processes of dissociation and recombination of CO molecules in the plasmas of discharges in He/CO and He/CO/Xe mixtures under conditions characteristic of sealed-off CO lasers are investigated. The concentrations of CO molecules and the main products of their dissociation—O and C atoms and CO₂ molecules—are measured simultaneously for the first time, and the time evolution of the initial working mixture composition in the discharge is calculated. It is shown that the main channel for the regeneration of CO molecules in a sealed-off discharge is the heterogeneous recombination of C and O atoms. The rate constants for this process are estimated.

Document Type: Research article

DOI: http://dx.doi.org/10.1134/1.1800225

Publication date: 2004-09-01