Abstract:
An analysis is made of the threshold conditions for the generation of stray oscillation modes in disk laser amplifiers and of amplified spontaneous radiation when the threshold is not reached. A comparison is made of the various methods for reducing the reflectivity of the disk surface. A calculation is made of the increase in the rate of decay of the population inversion in the prescence of amplified spontaneous radiation, which has a considerable influence on the energy characteristics of large-aperture disk amplifiers. The nature of the angular distribution of the amplified spontaneous radiation emerging for a disk amplifier is determined.
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