Abstract
A pulsed infrared xenon laser system, constructed to study phenomena associated with high gain, is described. Extracted-power measurements from both an amplifier and an oscillator are presented. Comparison with semianalytical solutions of simple-model equations is made to obtain estimates for small-signal gain (2.0 cm−1) and saturation intensity (0.2 W/cm2). The effects of aperturing and wall reflectivity on oscillator output are also studied. A simple model together with measurements show that aperturing enhances parasitic oscillations.
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