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High-power, narrow linewidth single-frequency fiber laser at 2 μm
Author(s): Shuxian Qi; Yubin Hou; Qian Zhang; Pu Wang
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Paper Abstract

We demonstrated an all-fiber single-frequency DBR master oscillator and power amplifier at 1992.6 nm. The maximum output power of the fiber amplifier was 100 W with a slope efficiency of 53% and the optical signal-to-noise ratio was about 50dB. The linewidth was less than 66 kHz and the beam quality factor M2 was 1.22 at the maximum output power. The RINs of the seed and the power amplifier were measured to be -120 dB/Hz and -102 dB/Hz at the relaxation oscillation frequency, respectively.

Paper Details

Date Published: 12 January 2018
PDF: 8 pages
Proc. SPIE 10619, 2017 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications, 1061907 (12 January 2018); doi: 10.1117/12.2295108
Show Author Affiliations
Shuxian Qi, Beijing Univ. of Technology (China)
Yubin Hou, Beijing Univ. of Technology (China)
Qian Zhang, Beijing Univ. of Technology (China)
Pu Wang, Beijing Univ. of Technology (China)


Published in SPIE Proceedings Vol. 10619:
2017 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications
Zhiyi Wei; Chunqing Gao; Pu Wang; Franz X. Kärtner; Jayanta Kumar Sahu; Liquan Dong, Editor(s)

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