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Photonic crystal rod based high-performance ultrafast fiber laser system [Early Posting]

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摘要

In this paper, we innovatively conduct a porro prism based beam pointing stability promotion technique research and realize high-performance rod-type photonic crystal fiber based chirped pulse amplification (CPA) system; mainly including a frequency-reduced all-fiber pre-amplification stage, photonic crystal rod based main amplification stage, and 1600 lines/mm transmission grating-pair compressor. Laser output with average power of 50 W, repetition rates of 500 kHz, pulse energy of 100 uJ, pulse duration of 830 fs, beam quality of M2<1.3, power fluctuation of 0.55% RMS and beam pointing drift of 19 urad/℃ over 8 h, is realized. The high-performance laser system has an enormous application potential in fundamental research and precision manufacturing fields.

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作者单位:

    Xi''an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences
    Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences

引用该论文

Lv Zhiguo,Yang Zhi,Li Qianglong ,Li Feng,yang Xiaojun,Wang Yishan,Zhao Wei. Photonic crystal rod based high-performance ultrafast fiber laser system[J].High Power Laser Science and Engineering,,():.