Device for realizing laser beam wavefront spherical aberration dynamic compensation and method thereof
A laser beam and dynamic compensation technology, which is applied to lasers, laser components, phonon exciters, etc., can solve the problems of expensive production, non-universal, cumbersome, etc., achieve power amplification, and be beneficial to industrial processing.
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[0033] The first pumping source and the second pumping source are InGaAs semiconductor laser diodes with an output wavelength of 808nm. The first optical coupling system and the second optical coupling system are composed of two lenses with focal lengths of 20mm and 40mm. Described laser resonant cavity is made up of high reflection mirror, output mirror, the first dichroic mirror and the second dichroic mirror, and the reflection rate of high reflection mirror to laser is 99.9%, and the distance between high reflection mirror and the first laser gain medium is L1= 300mm, the reflectivity of the output mirror to the laser is 20%, the distance between the first laser gain medium and the output mirror is L2=120mm, the first dichroic mirror and the second dichromatic mirror are placed at 45° to the optical path, and the reflectivity of the resonant laser It is 99.9%, and the reflectance to the pump laser is 0.5%; the first laser gain medium is located in the resonator, and the fi...
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