Optimization analysis of the effects of the mounting configuration on surface shape of KDP crystal

Jian Shen; Zhigang Liu; Jianqiang Zhu

doi:10.1117/12.2191250

5 August 2015 Optimization analysis of the effects of the mounting configuration on surface shape of KDP crystal

Jian Shen, Zhigang Liu, Jianqiang Zhu

Proceedings Volume 9621, 2015 International Conference on Optical Instruments and Technology: Advanced Lasers and Applications; 96210N (2015) https://doi.org/10.1117/12.2191250
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

The deformation of KDP crystals caused by gravity and mounting force can induce the phase mismatch, resulting in the decrease of frequency conversion efficiency. Loading strips are used to reduce the distortion in some existing methods, but it is difficult to fabricate. In order to improve the surface shapes of KDP crystals, small loading plates are used instead of loading strips. The mounting configuration is analyzed by finite element methods (FEM) and the position of the loading plates is optimized by adaptive single-objective algorithm. The results show the effectiveness of the mounting configuration in reducing the gravitational sag of KDP crystals.

Citation Download Citation

Jian Shen, Zhigang Liu, and Jianqiang Zhu "Optimization analysis of the effects of the mounting configuration on surface shape of KDP crystal", Proc. SPIE 9621, 2015 International Conference on Optical Instruments and Technology: Advanced Lasers and Applications, 96210N (5 August 2015); https://doi.org/10.1117/12.2191250

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