Aberrations correction of a Nd:YAG slab amplifier using a compact adaptive optics system

Ping Yang; Xiang Lei; Yu Ning; Lizhi Dong; Wenjing Liu; Bing Xu

doi:10.1117/12.871796

16 November 2010 Aberrations correction of a Nd:YAG slab amplifier using a compact adaptive optics system

Ping Yang, Xiang Lei, Yu Ning, Lizhi Dong, Wenjing Liu, Bing Xu

Proceedings Volume 7843, High-Power Lasers and Applications V; 784327 (2010) https://doi.org/10.1117/12.871796
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

As for master-oscillator-power-amplifier (MOPA) laser systems, Aberrations generated by thermal effects, the mirrors surface and optical elements play important roles to deteriorate laser beam quality. To obtain good beam performance, a compact adaptive optics (AO) system for a Nd:YAG zigzag slab amplifier is built. A rectangular tilt mirror (DM) and a 39-element rectangular piezoelectric deformable mirror in combination with a stochastic parallel gradient descent (SPGD) algorithm is introduced for aberrations correction. Experimental results demonstrate that the output beam quality can enhanced greatly at different power level when the AO system is in operation.

Citation Download Citation

Ping Yang, Xiang Lei, Yu Ning, Lizhi Dong, Wenjing Liu, and Bing Xu "Aberrations correction of a Nd:YAG slab amplifier using a compact adaptive optics system", Proc. SPIE 7843, High-Power Lasers and Applications V, 784327 (16 November 2010); https://doi.org/10.1117/12.871796

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