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Laser resonator aberrations and adaptive optical corrections

This paper derives the light amplitude distribution expression of a laser resonator. Using a numerical analysis, the result shows that the laser output power is maximum when no dynamic aberrations are in the laser cavity. The power and mode distribution of the laser are obtained. The paper presents an adaptive correction theory of laser resonator phase aberrations by using a 3D model deformable mirror. The result of the computer simulation in the close loop system shows that the system can compensate the dynamic phase aberrations up to 90% for the phase disturbance within 0 - 10 Hz frequency range.