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9 December 2014 980 nm narrow linewidth Yb-doped phosphate fiber laser
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A narrow-linewidth ytterbium (Yb)-doped phosphate fiber laser based on fiber Bragg grating (FBG) operating around 980 nm is reported. Two different kinds of cavity are applied to obtain the 980 nm narrow-linewidth output. One kind of the cavity consists of a 0.35 nm broadband lindwidth high-reflection FBG and the Yb-doped phosphate fiber end with 0° angle, which generates a maximum output power of 25 mW. The other kind of resonator is composed of a single mode Yb-doped phosphate fiber and a pair of FBGs. Over 10.7 mW stable continuous wave are obtained with two longitudinal modes at 980 nm. We have given a detailed analysis and discussion for the results.
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Pingxue Li, Yifei Yao, Haowei Hu, Junjie Chi, Chun Yang, Ziqiang Zhao, and Guangju Zhang "980 nm narrow linewidth Yb-doped phosphate fiber laser", Proc. SPIE 9294, International Symposium on Optoelectronic Technology and Application 2014: Development and Application of High Power Lasers, 92940D (9 December 2014);

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