Abstract

The chemical kinetics characterizing a DF–CO2 transfer chemical laser were verified by utilizing a subsonic laser system which, for most conditions, could be approximated as premixed and at constant pressure. In such a laser, fluid dynamic effects are minimized, and the role of the kinetics model in characterizing the DF–CO2 system is emphasized. Predictions of zero power gain, DF(v) number densities, thermocouple temperatures, and laser power were compared with data for an optical cavity pressure range of 21–79 Torr. The results show that the kinetics model gives an accurate description of the DF–CO2 optical cavity. Mixing phenomena were found to become important at cavity pressures below 40 Torr.

© 1976 Optical Society of America

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