1.21-W 532-nm picosecond green laser generated by second-harmonic generation using K3B6O10Cl as a nonlinear optical crystal

Yu Wu; Hongping Wu; Ying Wang; Ling Zhang; Qiulin Zhang; Luping Meng; Lirong Wang; Chaojian He; Dongxiang Zhang; Hongyan Guo; Xuechun Lin; Shilie Pan

doi:10.1117/1.OE.57.6.066112

19 June 2018 1.21-W 532-nm picosecond green laser generated by second-harmonic generation using K3B6O10Cl as a nonlinear optical crystal

Yu Wu, Hongping Wu, Ying Wang, Ling Zhang, Qiulin Zhang, Luping Meng, Lirong Wang, Chaojian He, Dongxiang Zhang, Hongyan Guo, Xuechun Lin, Shilie Pan

Author Affiliations +

Optical Engineering, Vol. 57, Issue 6, 066112 (June 2018). https://doi.org/10.1117/1.OE.57.6.066112

Abstract

We demonstrated a 1.21-W 532-nm picoseconds (ps) green laser via second-harmonic generation (SHG) using type-I phase-matched K3B6O10Cl (KBOC) as a nonlinear optical crystal. The ps green laser was successfully generated from two types of 1064-nm ps lasers with one being operated at 10 kHz and the other at 10 Hz. Using a 7.38-W pumping power at 10 kHz as the pump, the SHG output power at 532 nm was 1.21 W with a pulse width of 34.4 ps. For the 10-Hz ps laser with pumping energy of 4.95 mJ per pulse, the output at 532 nm was 1.78 mJ per pulse, which corresponds to an optical conversion efficiency of 36.0%. The experimental results show that the KBOC crystal is a promising nonlinear optical crystal for generating ps green laser.

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Yu Wu, Hongping Wu, Ying Wang, Ling Zhang, Qiulin Zhang, Luping Meng, Lirong Wang, Chaojian He, Dongxiang Zhang, Hongyan Guo, Xuechun Lin, and Shilie Pan "1.21-W 532-nm picosecond green laser generated by second-harmonic generation using K3B6O10Cl as a nonlinear optical crystal," Optical Engineering 57(6), 066112 (19 June 2018). https://doi.org/10.1117/1.OE.57.6.066112

Received: 31 January 2018; Accepted: 1 June 2018; Published: 19 June 2018

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