强激光与粒子束, 2017, 29 (4): 041002, 网络出版: 2017-03-29  

基于Sagnac环形镜的高功率多波长线偏振掺镱光纤激光器

High power, multiwavelength, linearly polarized ytterbium-doped fiber laser based on Sagnac fiber loop mirrors
作者单位
国防科学技术大学光电科学与工程学院,长沙,410073
摘要
吴 坚, 黄 龙, 许将明, 周 朴(**科学技术大学 光电科学与工程学院, 长沙 410073) 摘 要: 设计了基于Sagnac环形镜的哑铃型结构全光纤掺镱激光器,使用976 nm多模激光二极管泵浦,通过调节偏振控制器获得了稳定的多波长线偏振激光输出。泵浦功率为20.4 W时,最高输出功率达到5.13 W,功率波动不大于0.02 W,激光器输出多波长激光线偏振度约为14.19 dB,多波长输出功率平坦度优于3 dB。
Abstract
A dumbbell-shaped ytterbium-doped all-fiber laser based on Sagnac fiber loop mirror was demonstrated in this paper. Stable multiwavelength laser output was obtained through finely tuning the polarization controller under the pump of 976 nm laser diode. The largest output power was 5.13 W with the degree of polarization being 14.19 dB while the power fluctuation was no bigger than 0.02 W under the pump power of 20.4 W. The corresponding power difference was less than 3 dB among all channels in long-term observations.

吴函烁, 吴坚, 黄龙, 许将明, 周朴. 基于Sagnac环形镜的高功率多波长线偏振掺镱光纤激光器[J]. 强激光与粒子束, 2017, 29(4): 041002. Wu Hanshuo, Wu Jian, Huang Long, Xu Jiangming, Zhou Pu. High power, multiwavelength, linearly polarized ytterbium-doped fiber laser based on Sagnac fiber loop mirrors[J]. High Power Laser and Particle Beams, 2017, 29(4): 041002.

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