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METHODS OF COMPENSATION OF THERMO-OPTICAL DISTORTIONS IN ACTIVE ELEMENT OF SOLID-STATE LASER

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An approach to optimization of operational parameters of solid-state laser by means of maximization f compensation of thermo-optical distortions in the laser active element is discussed. Compensation of thermo-optical distortions is understood as compensation for the displacement of the laser optical axis, as well as elimination of the nonuniform distribution of the optical path length along the beam crosssection. As a cause of such phenomena, the presence of a temperature gradient in the active element of the laser is considered. The known methods for compensating the thermo-optical distortions are analyzed, a classification of the method according to the types of compensated distortions is proposed.

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