High average output power passively Q-switched LD side-pumped laser by using Nd:YAG/Cr:YAG/YAG composite crystal

Wei Jiang; Siqi Zhu; Zhen Li; Hao Yin; Anming Li; Yumeng Liu; Yihong Chen; Zhenqiang Chen

doi:10.1117/12.2192963

5 August 2015 High average output power passively Q-switched LD side-pumped laser by using Nd:YAG/Cr:YAG/YAG composite crystal

Wei Jiang, Siqi Zhu, Zhen Li, Hao Yin, Anming Li, Yumeng Liu, Yihong Chen, Zhenqiang Chen

Author Affiliations +

Proceedings Volume 9621, 2015 International Conference on Optical Instruments and Technology: Advanced Lasers and Applications; 96210S (2015) https://doi.org/10.1117/12.2192963
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

By using Nd:YAG/Cr:YAG/YAG composite crystal as gain media, a passively Q-switched LD side-pumped laser with high average output power, working at 1064 nm, is set up. The 1064 nm laser output power increases linearly with the pumping light power and the maximum average output power of 83.68 W is observed. With the help of a KTP nonlinear crystal, 532 nm laser pulses with the corresponding pulse width of 210 ns and the repetition rate of 21.2 kHz are obtained under the maximum LD pumping light of 187.5 W. The average output power of 532 nm laser is 27.2 W. The singlepulse energy is 1.28 mJ and the peak power is 6.1 kW. The optical-to-optical conversion efficiency of LD pumping light to 532 nm output light is 14.72%.

Citation Download Citation

Wei Jiang, Siqi Zhu, Zhen Li, Hao Yin, Anming Li, Yumeng Liu, Yihong Chen, and Zhenqiang Chen "High average output power passively Q-switched LD side-pumped laser by using Nd:YAG/Cr:YAG/YAG composite crystal", Proc. SPIE 9621, 2015 International Conference on Optical Instruments and Technology: Advanced Lasers and Applications, 96210S (5 August 2015); https://doi.org/10.1117/12.2192963

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