| 增益导引折射率反导引光纤激光器研究进展 |
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| 引用本文： | 王文亮,曹涧秋,郭少锋,姜宗福,许晓军. 增益导引折射率反导引光纤激光器研究进展[J]. 激光与光电子学进展, 2012, 0(4): 31-36 |
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| 作者姓名： | 王文亮 曹涧秋 郭少锋 姜宗福 许晓军 |
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| 作者单位： | 国防科学技术大学光电科学与工程学院 |
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| 摘 要： | 增益导引折射率反导引(GG IAG)光纤的特点是纤芯的折射率比包层的折射率小,增益效应保证了模式在此波导中的传输,从而使得该光纤在单模传输的同时,模场尺寸较传统光纤大幅增加。总结了增益导引折射率反导引光纤激光器的研究进展。分别综述了国内外增益导引折射率反导引光纤的理论分析,包括弯曲特性、模式耦合特性、增益饱和特性和温度特性,以及掺钕、掺镱增益导引折射率反导引光纤激光器的实验进展情况。讨论了增益导引折射率反导引光纤激光器在高功率光纤激光中的现状及现阶段急需解决的问题。
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| 关 键 词： | 光纤光学 大模场光纤 增益导引 折射率反导引 高功率光纤激光器 |
Research Progress of Gain-Guided Index-Anti-Guided Fiber Lasers |
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| Wang Wenliang Cao Jianqiu Guo Shaofeng Jiang Zongfu Xu Xiaojun. Research Progress of Gain-Guided Index-Anti-Guided Fiber Lasers[J]. Laser & Optoelectronics Progress, 2012, 0(4): 31-36 |
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| Authors: | Wang Wenliang Cao Jianqiu Guo Shaofeng Jiang Zongfu Xu Xiaojun |
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| Affiliation: | Wang Wenliang Cao Jianqiu Guo Shaofeng Jiang Zongfu Xu Xiaojun(College of Optoelectric Science and Engineering,National University of Defense Technology, Changsha,Hunan 410073,China) |
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| Abstract: | Gain-guided index-antiguided(GG IAG) fiber has a negative index step from cladding to core,and the gain effect plays a crucial role in guiding mode.It has attractive performance on large mode area of the high-power single-mode fiber lasers.The research progress at home and abroad of GG IAG fiber laser is summarized.At first,the theoretical details of GG IAG fiber laser including bending,mode coupling,gain saturation and thermal characteristics are summarized.Then the experiments of Nd-doped,Yb-doped fiber lasers are presented.At last,the advantages and problems of the GG IAG fiber laser in high power fiber lasers are discussed. |
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| Keywords: | fiber optics large mode field fiber gain guided index antiguided high power fiber lasers |
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