| 双包层Er3+/Yb3+共掺光纤放大器粒子数特性分析 |
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| 引用本文： | 庄茂录,赵尚弘,董淑福,马丽华. 双包层Er3+/Yb3+共掺光纤放大器粒子数特性分析[J]. 激光技术, 2004, 28(4): 379-382,409 |
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| 作者姓名： | 庄茂录 赵尚弘 董淑福 马丽华 |
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| 作者单位： | 空军工程大学,电讯工程学院,西安,710077;空军工程大学,电讯工程学院,西安,710077;空军工程大学,电讯工程学院,西安,710077;空军工程大学,电讯工程学院,西安,710077 |
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| 摘 要： | 基于速率方程和光传输方程,对双包层Er3+/Yb3+共掺光纤放大器的计算模型进行了讨论,并利用数值模拟结果对980nm激光抽运双包层Er3+/Yb3+共掺光纤放大器Er3+上能级粒子数的分布特性进行了分析。分别给出了正向抽运和反向抽运条件下,Er3+归一化上能级粒子数分布曲线。利用上能级粒子数沿光纤的分布曲线解释了信号光沿光纤的分布规律。
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| 关 键 词： | 光纤放大器 双包层光纤 铒镱共掺 粒子数分布 |
| 文章编号： | 1001-3806(2004)04-0379-04 |
| 收稿时间： | 2003-07-09 |
| 修稿时间： | 2003-10-09 |
Numerical analysis of the population distribution characteristics in Er3+/Yb3+ co-doped double-clad fiber amplifiers |
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| ZHUANG Mao-lu,ZHAO Shang-hong,DONG Shu-fu,MA Li-hua. Numerical analysis of the population distribution characteristics in Er3+/Yb3+ co-doped double-clad fiber amplifiers[J]. Laser Technology, 2004, 28(4): 379-382,409 |
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| Authors: | ZHUANG Mao-lu ZHAO Shang-hong DONG Shu-fu MA Li-hua |
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| Abstract: | Based on the rate equations and light propagation equations,the model of Er 3 /Yb 3 co-doped double clad fiber amplifiers has been discussed,and the population distribution characteristics of Er 3 upper level in Er 3 /Yb 3 co-doped double clad fiber amplifier pumped at 980nm bands have been analyzed by using the results of numerical simulation.The normalized population distribution curves of Er 3 upper level have been obtained under two different pump schemes,namely co- and counter-propagations. The distribution characteristic of signal has also been analyzed by using the normalized population distribution curves of Er 3 upper level. |
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| Keywords: | fiber amplifiers double-clad fiber erbium-ytterbium co-doped population distribution |
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