Abstract

This research has dealt with various problems related to high gain lasers including: gain and dispersion focusing of the transverse modes, mode pulling and mode splitting of the longitudinal modes, ultrashort pulse propagation, relaxation oscillations, spectral narrowing, dispersion effects on the oscillation line width, and a saturation and power formalism for high gain lasers. Most of these subjects had not been treated previously and it is found that the properties of high gain lasers may differ drastically from the properties of similar low gain lasers. Besides the theoretical treatment of these subjects, experimental verification has been obtained whenever possible. The experiments were conducted using 3.51 micron xenon lasers.

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