Optical EngineeringExtraction efficiency uniformity in rare gas halide lasers
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The dependence of the extraction efficiency on the temporal variations in the quenching rate, absorption, and upper level formation rate is analyzed for rare gas halide lasers. The influence of these effects on laser output irradiance uniformity is significant, and it is shown that the optimum laser design is obtained by a compromise between maximum extraction efficiency and output uniformity. The results are presented in a parametric manner for general applicability.