Abstract
The review of research on generation and amplification of single frequency radiation in solid state lasers carried out at the All-Union Research Centre at S.I. Vavilov State Optical Institute is presented. The principal limitations in frequency and amplitude stabilization are considered. Expressions describing amplitude and frequency stability characteristics versus parameters of active medium, cavity and pumping were obtained. Experiments were carried out with YAG:Nd lasers and amplifiers both with lamp and laser-diode pumping. The results of these experiments confirmed the authors' theoretical considerations.
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