| Tunable Yb-Doped Double-Clad Fibre Laser Based on Fibre Bragg Grating with Narrow Linewidth |
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| 作者姓名： | FUSheng-Gui FANWan-De ZHANGQiang WANGZhi LILi-Jun ZHANGChun-Shu YUANShu-Zhong DONGXiao-Yi |
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| 作者单位： | InstituteofModernOptics,NankaiUniversity,Tianjin300071 |
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| 摘 要： | A tunable Yb-doped double-clad fibre (YDCF) laser by tuning the fibre Bragg grating (FBG) is successfully demonstrated. The FBG was fabricated in the YDCF directly, resulting in low splicing loss and compact configuration. A continuous tuning range of 15.6nm from 1046.6nm to 1062.2nm is achieved. The laser linewidth is smaller than 0.1 nm in the whole tuning range. A maximum output power 117mW is achieved when the pump power is332 mW. The laser oscillation is quite stable in the whole operation.
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| 关 键 词： | 镱掺杂 可调双面层光纤激光器 光纤布拉格光栅 线宽 输出功率 结构设计 |
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