High-repetition-rate and high-power picosecond regenerative amplifier based on a single bulk Nd:GdVO4 crystal

被引：4
作者：
Guo, Jie [1 ]
Wang, Wei [1 ,2 ]
Lin, Hua [1 ]
Liang, Xiaoyan [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
HIGH POWER LASER SCIENCE AND ENGINEERING | 2019年 / 7卷
关键词：
diode-pumped solid state laser; high repetition rate regenerative amplifier; picosecond laser; MU-M; LASER; PULSES; AMPLIFICATION; SYSTEM; CHAOS; CYCLE;
D O I：
10.1017/hpl.2019.16
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a high-repetition-rate, high-power continuously pumped Nd:GdVO4 regenerative amplifier. Numerical simulations successfully pinpoint the optimum working point free of bifurcation instability with simultaneous efficient energy extraction. At a repetition rate of 100 kHz, a maximum output power of 23 W was obtained with a pulse duration of 27 ps, corresponding to a pulse energy of 230 mu J. The system displayed an outstanding stability with a root mean square power noise as low as 0.3%. The geometry of the optical resonator and the pumping scheme enhanced output power in the TEM00 mode with a single bulk crystal. Accordingly, nearly diffraction-limited beam quality was produced with M-2 approximate to 1.2 at full pump power.
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页数：7
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