High-Power High Beam Quality Narrow-Linewidth Quasicontinuous Wave Microsecond Pulse 1064-nm Nd:YAG Amplifier

被引：0
|
作者：
Guo C. [1 ,3 ]
Bian Q. [1 ,3 ]
Xu C. [4 ]
Zuo J. [1 ,2 ]
Bo Y. [1 ,2 ]
Wang Z. [1 ,2 ]
Shen Y. [1 ,2 ]
Zong N. [1 ,2 ]
Gao H. [1 ,2 ]
Liu Y. [1 ,2 ]
Cui D. [1 ]
Peng Q. [1 ,2 ]
Xu Z. [1 ,2 ]
机构：
[1] Key Lab of Solid State Laser, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing
[2] Key Lab of Functional Crystal and Laser Technology, TIPC, CAS, Beijing
[3] University of Chinese Academy of Sciences, Beijing
[4] National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin
来源：
IEEE Photonics Journal | 2016年 / 8卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Diode pumped lasers; laser amplifiers; pulse propagation; solid-state laser;
D O I：
10.1109/JPHOT.2016.2630850
中图分类号：
学科分类号：
摘要：
We demonstrated a high average power, high beam quality, narrow linewidth, quasicontinuous wave (QCW) diode-pumped 1064-nm Nd:YAG amplifier. A narrow-linewidth QCW pulse Nd:YAG oscillator was employed as the seed laser, providing a maximum average power of 53.4 W at a pulse repetition frequency of 500 Hz and pulse width of 108 μ s with a beam quality factor M2 = 1.21. After that, a two-stage double-pass Nd:YAG amplifier was performed. The amplifier delivers a maximum output power of 238 W with a linewidth of 0.4 pm and a tunable range of 119.3 pm. The beam quality was measured to be M2 = 1.65. To the best of our knowledge, this represents the highest average power and the highest brightness for a narrow-linewidth QCW microsecond pulse 1064-nm laser. © 2016 IEEE.
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