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Received: Feb. 8, 2018
Accepted: Mar. 20, 2018
Posted: May. 8, 2019
Published Online: May. 8, 2019
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Pei Huang, Zebiao Gan, Wenqi Li, Lianghong Yu, Zhen Guo, He Cao, Jianye Wang, Xiaoyan Liang, Ruxin Li. Four-Outputs Nd∶glass Pump Source for Large Aperture Ti∶Sapphire Amplifier[J]. Chinese Journal of Lasers, 2018, 45(8): 0801001
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laser devices and laser physics
Chinese Journal of Lasers, Vol. 45, Issue 8, 0801001 (2018)
Four-Outputs Nd∶glass Pump Source for Large Aperture Ti∶Sapphire Amplifier
Huang Pei1,2,3,*, Gan Zebiao1, Li Wenqi1,2,3, Yu Lianghong1, Guo Zhen1,2, Cao He1,2,3, Wang Jianye1,2,3, Liang Xiaoyan1,*, and Li Ruxin1,*
Author Affiliations
- 1 State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800, China
- 2 University of Chinese Academy of Sciences, Beijing 100049, China
- 3 ShanghaiTech University, Shanghai 201210, China
Abstract
We built a set of four-outputs Nd∶glass pump source system with stable energy output, uniform spot and time-domain approximate square waveform. The system can achieve output of 4×180 J at 1053 nm in fundamental frequency and 4×80 J at 526.5 nm in double frequency. The main structure consists of 4 parts, which are the front-end seed source, the regenerative amplifier, Nd∶glass rod amplifier chain and the KDP frequency doubling crystal. Those two fundamental frequency beams with vertical polarization are combined by the polarizer. The 526.5 nm double frequency laser pulse with the same directivity and polarization is obtained after Type-Ⅱ phase matching frequency-doubling KDP crystal. As a result, the compact dual pulse pump source for the Ti∶sapphire amplifier is realized.
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