Abstract

The complete behavior of pulsed dye-laser amplifiers is described by a set of integrodifferential equations that can be solved only numerically. However, by taking an averaged value for a geometrical weighting function, neglecting absorption, and assuming quasi-steady-state conditions, it is possible to obtain a simple analytical expression for the gain. The errors involved in those approximations can be corrected by an adjustable parameter. That analytical expression also permits one to calculate some dynamical properties, such as the gain as a function of the delay between pumping and input pulses and the shape of the output pulse. The model is checked against the predictions of a well-proved numerical simulation and also against experimental measurements.

© 1987 Optical Society of America

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