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250 W continuous-tunable all-fiberized single-frequency polarization-maintained amplifiers with wavelength spanning from 1065 nm to 1090 nm
Author(s): Yakun Liu; Rongtao Su; Xiaolin Wang; Pengfei Ma; Hanwei Zhang; Lei Si
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Paper Abstract

In this manuscript, we demonstrate an all-fiberized, single-frequency and polarization-maintained (PM) amplifiers with wavelength tuned from 1065 nm to 1090 nm. The ASE is suppressed by a signal to noise ratio of higher than 27 dB, and each wavelengths can be amplified to be 250 W output power. The stimulated Brillouin scattering (SBS) effect in such high power amplifiers is suppressed by employing a high dopant fiber (10 dB/m). The polarization extinction ratio (PER) of the amplifier is over 20 dB at the maximum output power. It should be noted that although the experiments are conducted at the wavelength from 1065 nm to 1090 nm with a step of 5 nm, the wavelength can also be continuously tuned.

Paper Details

Date Published: 25 October 2017
PDF: 7 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572N (25 October 2017); doi: 10.1117/12.2284917
Show Author Affiliations
Yakun Liu, National Univ. of Defense Technology (China)
Rongtao Su, National Univ. of Defense Technology (China)
Provincial Collaborative Innovation Ctr. of High Power Fiber Laser (China)
Xiaolin Wang, National Univ. of Defense Technology (China)
Provincial Collaborative Innovation Ctr. of High Power Fiber Laser (China)
Pengfei Ma, National Univ. of Defense Technology (China)
Provincial Collaborative Innovation Ctr. of High Power Fiber Laser (China)
Hanwei Zhang, National Univ. of Defense Technology (China)
Provincial Collaborative Innovation Ctr. of High Power Fiber Laser (China)
Lei Si, National Univ. of Defense Technology (China)
Provincial Collaborative Innovation Ctr. of High Power Fiber Laser (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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