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| 掺Yb双包层光纤放大器的瞬态增益和频率响应 | |
| 引用本文： | 孔令峰,楼祺洪,周军,吴中林,董景星,魏运荣,朱健强. 掺Yb双包层光纤放大器的瞬态增益和频率响应[J]. 光子学报, 2004, 33(11): 1286-1289 |
| 作者姓名： | 孔令峰 楼祺洪 周军 吴中林 董景星 魏运荣 朱健强 |
| 作者单位： | 中国科学院上海光学精密机械研究所,上海,201800;中国科学院研究生院,北京,100039;中国科学院上海光学精密机械研究所,上海,201800 |
| 基金项目： | 中国科学院知识创新工程，上海市光科技资助项目 |
| 摘 要： | 在理论上和实验上对掺Yb双包层光纤放大器(YDCFA)的瞬态增益特性进行了研究.建立了简化的瞬态增益基本模型,数值计算了低频光脉冲经过双包层光纤的放大波形,分析了瞬态增益饱和和恢复特性.在实验中对种子源放大的YDCFA的脉冲特性进行了分析,证实了其瞬态增益的低频响应特性. |
| 关 键 词： | 光纤放大器 双包层光纤 瞬态增益 |
| 收稿时间： | 2003-10-17 |
| 修稿时间： | 2003-10-17 |
Frequency Response and Transient Gain of Yb-doped Double Clad Fiber Amplifier |
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. Frequency Response and Transient Gain of Yb-doped Double Clad Fiber Amplifier[J]. Acta Photonica Sinica, 2004, 33(11): 1286-1289 |
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| Authors: | |
| Affiliation: | ( 1 Shanghai Institute of Optics & Fine Mechanics, CAS, Shanghai 201800) (2 Graduate School of the Chinese Academy of Sciences, Beijing 100039) |
| Abstract: | Transient gain of YDCFA is analyzed both on theory and experiment. A reduced model for transient gain is proposed and low repetition rate pulse after YDCFA is investigated through numerical calculation. Transient gain saturation and recovery is also discussed theoretically. Pulse amplified characteristics at different pump power and repetition is obtained through experiment, which is well in agreement with theoretical analysis. |
| Keywords: | Fiber amplifier Double clad fiber laser Transient gain |
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