| LD端面抽运掺Yb3+双包层光纤激光器自脉动行为的实验研究 |
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| 引用本文： | 苏红新,吕可诚,闫培光,李乙钢,董孝义. LD端面抽运掺Yb3+双包层光纤激光器自脉动行为的实验研究[J]. 量子电子学报, 2003, 20(4): 422-425 |
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| 作者姓名： | 苏红新 吕可诚 闫培光 李乙钢 董孝义 |
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| 作者单位： | 南开大学物理科学学院,天津,300071 |
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| 基金项目： | 国家自然科学基金重点资助项目(60137071). |
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| 摘 要： | 本文对连续波半导体激光器端面抽运的Fabry-Perot腔掺Yb3 双包层光纤激光器的自脉动输出行为进行了研究．发现低Q值腔光纤激光器具有两种形式的自脉动输出，一种是饱和吸收被动调Q产生的自脉冲,另一种是与光纤中的受激Raman散射(SRS)效应相对应的阵发性巨脉冲．通过提高光纤激光器谐振腔的Q值并选择合适的抽运功率，可以有效地减小输出功率的自脉动，获得稳定的连续波激光输出．
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| 关 键 词： | LD 半导体激光器 双包层光纤激光器 自脉动 被动调Q 受激Raman散射 掺Yb3＋ |
| 文章编号： | 1007-5461(2003)04-0422-04 |
| 收稿时间： | 2002-08-26 |
| 修稿时间： | 2002-08-26 |
Experimental Study on the Self-pulsation Behavior of LD End-pumped Yb3+-doped Double Clad Fiber Laser |
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| Su Hongxin,Lu Kecheng,Yan Peiguang,Li Yigang,Dong Xiaoyi. Experimental Study on the Self-pulsation Behavior of LD End-pumped Yb3+-doped Double Clad Fiber Laser[J]. Chinese Journal of Quantum Electronics, 2003, 20(4): 422-425 |
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| Authors: | Su Hongxin Lu Kecheng Yan Peiguang Li Yigang Dong Xiaoyi |
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| Abstract: | Self-pulsation behavior of Yb3+-doped double clad fiber lasers formed in Fabry-Perot cavities and end-pumped by CW laser diode (LD) is investigated. Two kinds of self-pulsation are observed in the fiber laser with a low Q cavity, one is the pulse generated from passive Q-switching of saturable absorption; the other is the giant pulse due to stimulated Raman scattering (SRS) in the fiber. It is demonstrated that by promoting the Q value of the cavity the pulsation in the output of the fiber laser can be reduced and stable CW output will be obtained while an appropriate rate of pump is applied simultaneously. |
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| Keywords: | double clad fiber laser self-pulsation passive Q-switching SRS |
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