Disc laser amplifier
An amplifier and disc technology, applied in the field of lasers, can solve the problems of thermal lens effect deteriorating the quality of the amplified laser beam, different mirror angles, difficult installation and debugging, etc., to reduce the number of pumping times, high The effect of beam quality and easy maintenance of equipment
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[0036] The present invention uses one or several stacked semiconductor lasers as the pump source, a laser with good output beam quality as the seed light source, double parabolic mirrors and two disc-shaped laser crystals to form multiple pumps (amplified) The condensing cavity utilizes the collimation and focusing characteristics of the conjugated double parabolic mirrors to achieve multiple absorption of the pump beam and multiple amplifications of the seed laser. In a specific implementation, a strip-shaped pump light entrance is designed on the first parabolic mirror, and its geometric center is offset by a certain distance from the first disc laser crystal along the positive direction of the slow axis. A circular or rectangular laser entrance Designed on the second or first parabolic mirror, and its geometric center is offset from the second disc-shaped laser crystal by a certain distance along the negative direction of the slow axis; or the two strip-shaped pump light entr...
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