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电子科技大学 光电信息学院 光电传感与信息处理重点实验室
收稿:2010-07-18,
修回:2010-9-1,
网络首发:2011-02-22,
纸质出版:2011-02-22
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代志勇, 张晓霞, 彭增寿, 李剑峰, 欧中华, 刘永智. 二波混频高功率单频窄线宽光纤激光器[J]. 发光学报, 2011,32(2): 159-163
DAI Zhi-yong, ZHANG Xiao-xia, PENG Zeng-shou, LI Jian-feng, OU Zhong-hua, LIU Yong-zhi. High-power Single-frequency Narrow Linewidth Fiber Laser with Nonlinear Two-wave Mixing[J]. Chinese Journal of Luminescence, 2011,32(2): 159-163
代志勇, 张晓霞, 彭增寿, 李剑峰, 欧中华, 刘永智. 二波混频高功率单频窄线宽光纤激光器[J]. 发光学报, 2011,32(2): 159-163 DOI:
DAI Zhi-yong, ZHANG Xiao-xia, PENG Zeng-shou, LI Jian-feng, OU Zhong-hua, LIU Yong-zhi. High-power Single-frequency Narrow Linewidth Fiber Laser with Nonlinear Two-wave Mixing[J]. Chinese Journal of Luminescence, 2011,32(2): 159-163 DOI:
设计并制造了一种基于二波混频的高功率单频窄线宽光纤激光器。激光器采用长线形腔结构
以Er
3+
/Yb
3+
双包层光纤作为增益介质
利用输出信号光分束反馈注入
与腔内振荡激光混频干涉
形成分布的增益光栅与折射率光栅共同作用选模
获得稳定的1 550.63 nm单频高功率激光输出。在975 nm多模激光二极管(LD)抽运下
激光器抽运阈值光功率为356 mW。当抽运光功率为3.1 W时
激光器输出信号光功率为653.7 mW
对应的光-光转换效率为 21.1%
斜率效率为24.6%
信噪比大于50 dB。用延时自外差方法测量激光器输出的3 dB光谱线宽为5.0 kHz。
paper
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