Chinese Optics Letters, 2013, 11 (9): 091601, Published Online: Aug. 27, 2013  

Watt-level Yb-doped silica glass fiber laser with a core made by sol-gel method Download: 880次

Author Affiliations
Abstract
A Yb-doped silica glass fiber laser with a core made by sol-gel method is reported. The maximum power of 1.14 W is obtained with a pump power of 5.46 W at a wavelength of 976 nm. The slope efficiency is 34%. The refractive index fluctuation across the core is below 5×10-4 at a doping level of Yb 0.15 mol%, A2O3 4.0 mol%, and P2O5 2.0 mol%. High background attenuation of 6 dB/m at 1 053 nm limites the slope efficiency and maximum output power.

Wentao Li, Qinling Zhou, Lei Zhang, Shikai Wang, Meng Wang, Chunlei Yu, Suya Feng, Danping Chen, Lili Hu. Watt-level Yb-doped silica glass fiber laser with a core made by sol-gel method[J]. Chinese Optics Letters, 2013, 11(9): 091601.

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