光纤激光器
材料科学
激光器
光学
脉冲宽度调制
Q开关
激光功率缩放
边坡效率
线极化
保偏光纤
极化(电化学)
功率(物理)
光电子学
光纤
物理
光纤传感器
化学
量子力学
物理化学
作者
Chen Shi,Long Huang,Xiaolin Wang,Pu Zhang
标识
DOI:10.1016/j.optlastec.2015.06.017
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.
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