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

被引：6

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.

引用

页数：7

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