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  • Received: Aug. 17, 2020

    Accepted: Oct. 26, 2020

    Posted: Jan. 5, 2021

    Published Online: Jan. 5, 2021

    The Author Email: Zhiguo Lv (lvzhiguo@imu.edu.cn), Xiaojun Yang (yxj@opt.ac.cn)

    DOI: 10.1017/hpl.2020.42

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    Zhiguo Lv, Zhi Yang, Qianglong Li, Feng Li, Yishan Wang, Wei Zhao, Xiaojun Yang. Photonic crystal rod-based high-performance ultrafast fiber laser system[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e40

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High Power Laser Science and Engineering, Vol. 8, Issue 4, 04000e40 (2020)

Photonic crystal rod-based high-performance ultrafast fiber laser system

Zhiguo Lv1,*, Zhi Yang2, Qianglong Li2, Feng Li2, Yishan Wang2, Wei Zhao2, and Xiaojun Yang2,*

Author Affiliations

  • 1School of Physical Science and Technology, Inner Mongolia Key Laboratory of Nanoscience and Nanotechnology, Inner Mongolia University, Hohhot 010021, China
  • 2State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China

Abstract

In this paper, we innovatively conduct a Porro prism-based beam pointing stability promotion technique research and realize a 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 μJ, pulse duration of 830 fs, beam quality of M2<1.3, power fluctuation of 0.55% root mean square, and beam pointing drift of 19 μrad/°C 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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