Chinese Optics Letters, 2012, 10 (3): 031402, Published Online: Nov. 18, 2011  

90.4-W all-fiber single-frequency polarization-maintained 1 083-nm MOPA laser employing ring-cavity single-frequency seed oscillator Download: 733次

Author Affiliations
Abstract
A high-power all-fiber single-frequency polarization-maintained (PM) laser operating at 1 083 nm is demonstrated using a master oscillator power amplifier (MOPA) structure. The seed source of this MOPA laser system is an in-house-built ring-cavity fiber oscillator. Four-stage amplification configuration is employed, in which the maximal output power of the main amplifier is 90.4 W, corresponding to a conversion efficiency of 72.5%. The polarization extinction ratio of the output light is 13 dB. The amplified spontaneous emission is suppressed by a factor of over 25 dB, and no stimulated Brillouin scattering effect is observed when a large-mode-area and high absorption coefficient PM gain fiber is employed.

Jiangming Xu, Rongtao Su, Hu Xiao, Pu Zhou, Jing Hou. 90.4-W all-fiber single-frequency polarization-maintained 1 083-nm MOPA laser employing ring-cavity single-frequency seed oscillator[J]. Chinese Optics Letters, 2012, 10(3): 031402.

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