1.5 kW 近衍射极限全光纤窄带超荧光光源

刘广柏; 杨依枫; 雷敏; 胡曼; 郑也; 刘驰; 漆云凤; 何兵; 周军; 魏运荣; 楼祺洪

doi:doi:10.3788/cjl201542.1202009

中国激光, 2015, 42 (12): 1202009, 网络出版: 2015-12-01

1.5 kW 近衍射极限全光纤窄带超荧光光源下载： 572次

1.5 kW Near-Diffraction-Limited Narrowband All-Fiber Superfluorescent Source

论文大纲

刘广柏 ^1,2,*杨依枫 ^1,2雷敏 ^1,2胡曼 ^1,2郑也 ^1,2刘驰 ¹漆云凤 ¹何兵 ¹周军 ¹魏运荣 ¹楼祺洪 ¹

作者单位

¹ 中国科学院上海光学精密机械研究所上海市全固态激光器与应用技术重点实验室, 上海 201800

² 中国科学院大学, 北京 100049

激光器光纤激光器掺镱光纤放大器放大自发辐射光纤布拉格光栅 lasers fiber lasers Yb-doped fiber amplifier amplified spontaneous emission fiber Bragg gratings

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摘要

搭建了一个全光纤主振荡功率放大(MOPA)近衍射极限输出的超荧光源，线宽为亚纳米量级，最大输出功率为1509 W，输出斜率效率达到85.2%，光束质量因子稳定在M2=1.4。后向回光功率与输入功率呈线性关系，系统很好地抑制了受激布里渊散射(SBS)，并且对环境具有很好的抗干扰能力。在整个输出功率范围内，没有观察到自脉冲和弛豫振荡现象。

Abstract

A sub-nanometer linewidth, near-diffraction-limited superfluorescent source with a record power of 1509 W based on all- fiber master oscillator power amplifier (MOPA) configuration is established. The slope efficiency of the main amplifier is up to 85.2 % and the beam quality at maximum power stays stable around M 2= 1.4. The back reflection power maintains a linear behavior which confirms the considerable stimulated Brillouin scattering (SBS) suppression capability of our system. The performance of this high power source is robust with respect to the environment perturbations. No self-pulsing and relaxation oscillation is observed in the whole power range.

参考文献

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刘广柏, 杨依枫, 雷敏, 胡曼, 郑也, 刘驰, 漆云凤, 何兵, 周军, 魏运荣, 楼祺洪. 1.5 kW 近衍射极限全光纤窄带超荧光光源[J]. 中国激光, 2015, 42(12): 1202009. Liu Guangbo, Yang Yifeng, Lei Min, Hu Man, Zheng Ye, Liu Chi, Qi Yunfeng, He Bing, Zhou Jun, Wei Yunrong, Lou Qihong. 1.5 kW Near-Diffraction-Limited Narrowband All-Fiber Superfluorescent Source[J]. Chinese Journal of Lasers, 2015, 42(12): 1202009.

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