High Power Laser Science and Engineering, 2020, 8 (4): 04000e40, Published Online: Jan. 5, 2021  

Photonic crystal rod-based high-performance ultrafast fiber laser system Download: 712次

Author Affiliations
1 School of Physical Science and Technology, Inner Mongolia Key Laboratory of Nanoscience and Nanotechnology, Inner Mongolia University, Hohhot 010021, China
2 State 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.

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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