Disc laser amplifier
An amplifier and disc technology, applied in the field of lasers, can solve the problems of thermal lens effect deterioration of the amplified laser beam quality, different mirror angles, difficult installation and debugging, etc. The effect of beam quality and convenient equipment maintenance
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[0036] The present invention uses one or several semiconductor laser stacks as the pumping source, a laser with better output beam quality as the seed light source, double parabolic reflectors, and two disc-shaped laser crystals to form multiple pumping (amplification) The concentrating 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 reflector, and its geometric center is offset by a certain distance relative to the first disk laser crystal along the positive direction of the slow axis, and a circular or rectangular laser entrance It is designed on the second or first parabolic reflector, and its geometric center is offset by a certain distance relative to the second disc-shaped laser crystal along the negative direction of the slo...
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