5kW High peak power, 0.2 mJ high pulse energy, linearly-polarized pulsed laser from a single all-fiber oscillator

被引：5
|
作者：
Shi, Chen [1 ]
Huang, Long [1 ]
Wang, Xiaolin [1 ]
Zhou, Pu [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2015年 / 75卷
基金：
中国国家自然科学基金;
关键词：
Fiber laser; High peak power; Linearly-polarized; SPECTRUM;
D O I：
10.1016/j.optlastec.2015.06.017
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a high peak power ytterbium-doped fiber laser that emitted linearly-polarized laser at 1064 nm. An intracavity polarization-maintaining (PM) acousto-optic modulator (AOM) was used as a Q-switch to generate pulsed laser output. The whole system was constructed with all-fiber structure. The power of the polarized laser reached 4.21 W and a polarization purity of greater than 97.6% under the repetition rate of 20 kHz. The pulse width was 37 ns, which implied a 5 kW peak power and 0.2 mJ pulse energy. It is the highest peak power output from a linearly-polarized, Q-switched fiber laser oscillator to the best of our knowledge. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：24 / 28
页数：5
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