Abstract

An analytical model for predicting optical performance of a CW chemical laser has been developed. The model is constructed in which mixing, kinetics, and stimulated emission are coupled with a half-symmetric-unstable resonator with intercavity axicon (HSURIA). The formulation has been tested by anchoring experimental small signal gain and closed cavity power. The mixing parameters established from the data anchoring are used to examine the role of the optical resonator magnification, mode width, optical axis location, and lasing line selection in predicting CW chemical laser performance. The present study has identified the important physical parameters affecting the power extraction efficiency and gain saturation.

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