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Many factors of intracavity perturbation will degrade the output power and beam quality for high power passive Q-switched slab laser. In the paper, the experiment test on the output beam quality of a passive Q-switched zig-zag slab Nd:YAG laser has been performed by adopting Hartmann-Shack (H-S) wavefront sensor and Zernike mode reconstruction theory, namely wavefront properties can be fully obtained...
The effect of intracavity aberrated perturbation on output mode properties of a confocal unstable resonator is been experimentally researched by adopting H-S wavefront sensor and Zernike modal wavefront reconstruction. By processing the image of beam facula matrix, wavefront phase properties, Zernike aberrations, PV and RMS error, distribution of circle energy can all be acquired, so beam phase distribution...
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