Fiber-solid hybrid amplification laser system with high peak power and high beam quality

被引：1
|
作者：
Wang, Dan [1 ]
Wang, Yong [1 ]
Liu, Bin [1 ]
Ye, Zhibin [2 ]
Liu, Chong [1 ]
Liu, Dong [1 ]
Xiang, Zhen [1 ]
Wu, Lan [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Quzhou Univ, Coll Elect & Informat Engn, Quzhou 324000, Zhejiang, Peoples R China
来源：
OPTICAL SENSING AND IMAGING TECHNOLOGIES AND APPLICATIONS | 2018年 / 10846卷
关键词：
pico-second lasers; fiber-solid hybrid amplification laser; spherical aberration compensation; end pumped; side pumped; OPTIMIZATION; ABERRATIONS;
D O I：
10.1117/12.2504667
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The laser source with high peak power and high beam quality has important application in laser processing and other fields. A fiber laser with repetition of 50 kHz, pulse width of 3.9 ps, and average power of 10.9 mW is used as the seed source. After double-passing two-stage amplifiers, the average output power of 27.65 W with a peak power of 65 MW is obtained. The first stage is an end pumped Nd: YVO4 amplifier, and the second stage is a side pumped Nd: YAG amplifier. The beam quality is well preserved with M2 factor of 1.3 based on the method of spherical-aberration compensation and the optimizing of the beam filling factor.
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页数：9
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