High-energy master oscillator power amplifier with near-diffraction-limited output based on ytterbium-doped PCF fiber

Rao Li; Zhi Qiao; Xiaochao Wang; Wei Fan; Zunqi Lin

doi:10.1117/12.2282342

24 October 2017 High-energy master oscillator power amplifier with near-diffraction-limited output based on ytterbium-doped PCF fiber

Rao Li, Zhi Qiao, Xiaochao Wang, Wei Fan, Zunqi Lin

Author Affiliations +

Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104570F (2017) https://doi.org/10.1117/12.2282342
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

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.

Citation Download Citation

Rao Li, Zhi Qiao, Xiaochao Wang, Wei Fan, and Zunqi Lin "High-energy master oscillator power amplifier with near-diffraction-limited output based on ytterbium-doped PCF fiber", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104570F (24 October 2017); https://doi.org/10.1117/12.2282342

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