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Proceedings Paper

High-energy master oscillator power amplifier with near-diffraction-limited output based on ytterbium-doped PCF fiber
Author(s): Rao Li; Zhi Qiao; Xiaochao Wang; Wei Fan; Zunqi Lin
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Paper Abstract

With the development of fiber technologies, fiber lasers are able to deliver very high power beams and high energy pulses which can be used not only in scientific researches but industrial fields (laser marking, welding,…). The key of high power fiber laser is fiber amplifier. In this paper, we present a two-level master-oscillator power amplifier system at 1053 nm based on Yb-doped photonic crystal fibers. The system is used in the front-end of high power laser facility for the amplification of nano-second pulses to meet the high-level requirements. Thanks to the high gain of the system which is over 50 dB, the pulse of more than 0.89 mJ energy with the nearly diffraction-limited beam quality has been obtained.

Paper Details

Date Published: 24 October 2017
PDF: 8 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104570F (24 October 2017); doi: 10.1117/12.2282342
Show Author Affiliations
Rao Li, National Lab. on High Power Laser and Physics (China)
Shanghai Institute of Optics and Fine Mechanics (China)
Univ. of Chinese Academy of Sciences (China)
Zhi Qiao, National Lab. on High Power Laser and Physics (China)
Shanghai Institute of Optics and Fine Mechanics (China)
Univ. of Chinese Academy of Sciences (China)
Xiaochao Wang, National Lab. on High Power Laser and Physics (China)
Shanghai Institute of Optics and Fine Mechanics (China)
Wei Fan, National Lab. on High Power Laser and Physics (China)
Shanghai Institute of Optics and Fine Mechanics (China)
Zunqi Lin, National Lab. on High Power Laser and Physics (China)
Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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