Analysis of 808nm centered optical parametric chirped pulse amplifier based on DKDP crystals

Meizhi Sun; Zijian Cui; Jun Kang; Yanli Zhang; Junyong Zhang; Ying Cui; Xinglong Xie; Cheng Liu; Dean Liu; Jianqiang Zhu; Zunqi Lin

doi:10.1117/12.2192939

5 August 2015 Analysis of 808nm centered optical parametric chirped pulse amplifier based on DKDP crystals

Meizhi Sun, Zijian Cui, Jun Kang, Yanli Zhang, Junyong Zhang, Ying Cui, Xinglong Xie, Cheng Liu, Dean Liu, Jianqiang Zhu, Zunqi Lin

Author Affiliations +

Proceedings Volume 9621, 2015 International Conference on Optical Instruments and Technology: Advanced Lasers and Applications; 96210R (2015) https://doi.org/10.1117/12.2192939
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

The non-collinear phase-matching in Potassium Dideuterium Phosphate (DKDP) crystal is analyzed in detail with signal pulse of center wavelength at 808 nm and pump pulse of wavelength at 526.5 nm. By numerical analysis, parametric bandwidths for various DKDP crystals of different deuteration level are presented. In particularly for DKDP crystals of 95% deuteration level, the optimal non-collinear angles, phase-matching angles, parametric bandwidths, walk-off angles, acceptance angles, efficiency coefficients, gain and gain bandwidths are provided based on the parameter concepts. Optical parametric chirped pulse amplifier based on DKDP crystal is designed and the output characteristics are simulated by OPA coupled wave equations for further discuss. It is concluded that DKDP crystals higher than 90% deuteration level can be utilized in ultra-short high power laser systems with compressed pulses broader than 30fs. The disadvantage is that the acceptance angles are small, increasing the difficulty of engineering regulation.

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Meizhi Sun, Zijian Cui, Jun Kang, Yanli Zhang, Junyong Zhang, Ying Cui, Xinglong Xie, Cheng Liu, Dean Liu, Jianqiang Zhu, and Zunqi Lin "Analysis of 808nm centered optical parametric chirped pulse amplifier based on DKDP crystals", Proc. SPIE 9621, 2015 International Conference on Optical Instruments and Technology: Advanced Lasers and Applications, 96210R (5 August 2015); https://doi.org/10.1117/12.2192939

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