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.

引用

页数：9

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