12 May 2004 Experiments and analysis of double-cladding erbium-ytterbium-codoped optical fiber lasers
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Proceedings Volume 5280, Materials, Active Devices, and Optical Amplifiers; (2004) https://doi.org/10.1117/12.522160
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China
Abstract
The experimental results of erbium-ytterbium co-doped double-cladding fiber lasers (EYDCFLs) are reported. The output powers as functions of the input pump power, and the reflectivity of the cavity mirror are described. The maximum output power is about 733 mW, with a slope efficiency of about 30% and optical to optical conversion efficiency of 25.3 %. Numerical analysis of this EYDCFL was also performed based on the rate and propagation equations. The calculated output powers of 1.492 W and conversion efficiency of 51.4 % are doubled than the experimental results. That means further improvements could be made by optimum design of the laser, such as well cutting the fiber-end, adding dichroic mirror at the output end, or making fiber Bragg gratings directly in the fiber core.
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Shufu Dong, Shanghong Zhao, Maolu Zhuang, Guofu Chen, "Experiments and analysis of double-cladding erbium-ytterbium-codoped optical fiber lasers", Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); doi: 10.1117/12.522160; https://doi.org/10.1117/12.522160
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