Large-Mode-Area Double-Cladding Photonic Crystal Fiber Laser in the Watt Range at 980 nm

LI Ping-Xue; ZHANG Xue-Xia; LIU Zhi; CHI Jun-Jie

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Large-Mode-Area Double-Cladding Photonic Crystal Fiber Laser in the Watt Range at 980 nm

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@@ We report on a quasi-three-level large-mode-area double-clad Yb-doped fiber laser that adopts a linear cavity consisting of a 0°fiber end and a cavity mirror.Two kinds of Yb-doped photonic crystal fiber(PCF) with different inner-clads (170 μm and 200μm) and absorption coefficients (4.5 dB/m and 3 dB/m) are used as the gain media.By optimizing the structure and elements of the cavity, maximum output powers of 1.24 W and 1.1 W were yielded with optical conversion efficiencies of 7.8% and 6.8% when the fiber lengths were 25 cm and 40 cm with 170μm and 200 μm inner-claddings, respectively.

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《中国物理快报：英文版》 |2011年第8期|119-121|共3页
作者
LI Ping-Xue; ZHANG Xue-Xia; LIU Zhi; CHI Jun-Jie;
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Institute of Laser Engineering, Beijing University of Technology, Beijing 100124;

Institute of Laser Engineering, Beijing University of Technology, Beijing 100124;

Institute of Laser Engineering, Beijing University of Technology, Beijing 100124;

Institute of Laser Engineering, Beijing University of Technology, Beijing 100124;

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Large-Mode-Area Double-Cladding Photonic Crystal Fiber Laser in the Watt Range at 980 nm

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