| 高效率可调谐掺镱双包层光纤激光器研究 |
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| 引用本文： | 孙宏志,梁建中,胡谊梅,孙迭篪.高效率可调谐掺镱双包层光纤激光器研究[J].光学学报,2002,22(11):372-1374. |
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| 作者姓名： | 孙宏志 梁建中 胡谊梅 孙迭篪 |
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| 作者单位： | 1. 复旦大学物理系,上海,200433
2. 复旦大学激光物理与光学实验室,上海,200433 |
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| 基金项目： | 国家自然科学基金 (6 0 0 770 0 5 )，上海市光科技专项(0 12 2 6 10 31)资助课题 |
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| 摘 要： | 研究了一种高效率可调谐掺镱双包层光纤激光器，在抽运半导体激光为915nm、功率为1W的条件下，掺镱双包层光纤激光器的最大输出功率为440mW，输出斜效率约为80％。输出光束的M^2因子为：x方向1．06，y方向1．04。用一光栅作为输出耦合，输出波长可在1070nm-1150nm的范围内调谐。
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| 关 键 词： | 高效率可调谐掺镱双包层光纤激光器 输出功率 输出光谱 |
| 收稿时间： | 2001/8/21 |
A High Efficient Tunable Yb Doped Double Cladding Fiber Laser |
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| Sun Hongzhi,Liang Jianzhong,Hu Yimei,Sun Diechi.A High Efficient Tunable Yb Doped Double Cladding Fiber Laser[J].Acta Optica Sinica,2002,22(11):372-1374. |
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| Authors: | Sun Hongzhi Liang Jianzhong Hu Yimei Sun Diechi |
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| Institution: | Sun Hongzhi 1) Liang Jianzhong 2) Hu Yimei 2) Sun Diechi 2) 1),Department of Physics,Fudan University,Shanghai 200433 2),Laboratory of Laser Physics and Optics,Fudan University,Shanghai 200433 |
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| Abstract: | A tunable ytterbium doped double cladding fiber laser with high efficiency has been investigated. The output power of the fiber laser was about 440 mW using 1 W 915 nm LD pumping and the slope efficiency was about 80%. The M 2 factor of the output beam in both directions were 1.06 and 1.04, respectively. The output wavelength can be tuned from 1070 nm～1150 nm while using a grating at output coupler. |
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| Keywords: | tunable Yb doped double cladding fiber fiber laser |
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