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光纤激光同带级联抽运的研究进展

Research Progress of Tandem-Pumped Fiber Lasers

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摘要

光纤同带级联抽运的特点是以高亮度激光作为抽运光,且抽运光与激光的波长比较接近,处于激活离子的同一能带内。它最大的优点是在光纤高功率放大时量子亏损小,可以较好地减小热效应的影响,同时能使用较短的光纤来避免非线性效应的发生。针对同带级联抽运技术在高功率光纤中的重要性,简单综述了国外掺镱、掺铒、掺铥、掺钬光纤同带级联抽运的实验研究。给出了掺镱光纤同带级联抽运的其他优点,如抑制大模场面积光纤的高阶模式增益以及减少铝硅酸盐掺镱光纤中的光子暗化影响,这些优点都有助于光纤高功率的放大。讨论了掺镱同带级联抽运技术在高功率双包层光纤激光中面临的主要问题及解决方法。

Abstract

High-brightness in-band pumping sources are used in tandem-pumping. It makes it possible to pump close to the emission wavelength, so the quantum defect heating can be low. This allows for the use of a shorter fiber. Therefore, it is easier to avoid thermal and nonlinear limits simultaneously. In view of the important of tandem-pumping in high power fiber laser, the experimental researches of tandem-pumped over seas are introduced firstly, including Yb-doped, Er-doped, Tm-doped, Ho-doped fiber lasers. Then the advantages such as restraining unwanted excess gain for higher order modes in cladding-pumped large-core Yb-doped fiber amplifiers are presented. And the potential benefits of reducing fiber photodarkening are also analyzed. At last, the problem and techniques of the tandem-pumping in high power fiber lasers are discussed.

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中图分类号:O436

DOI:10.3788/lop48.091402

所属栏目:综述

基金项目:国防科技预研基金(513260102)资助课题。

收稿日期:2011-02-24

修改稿日期:2011-03-14

网络出版日期:2011-07-28

作者单位    点击查看

吴武明:国防科学技术大学光电科学与工程学院,湖南 长沙 410073
肖虎:国防科学技术大学光电科学与工程学院,湖南 长沙 410073
许将明:国防科学技术大学光电科学与工程学院,湖南 长沙 410073
冷进勇:国防科学技术大学光电科学与工程学院,湖南 长沙 410073
周朴:国防科学技术大学光电科学与工程学院,湖南 长沙 410073
郭少锋:国防科学技术大学光电科学与工程学院,湖南 长沙 410073

联系人作者:吴武明(treewwm@gmail.com)

备注:吴武明(1981—),男,硕士,助理研究员,主要从事高功率固体激光技术方面的研究。

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引用该论文

Wu Wuming,Xiao Hu,Xu Jiangming,Leng Jinyong,Zhou Pu,Guo Shaofeng. Research Progress of Tandem-Pumped Fiber Lasers[J]. Laser & Optoelectronics Progress, 2011, 48(9): 091402

吴武明,肖虎,许将明,冷进勇,周朴,郭少锋. 光纤激光同带级联抽运的研究进展[J]. 激光与光电子学进展, 2011, 48(9): 091402

被引情况

【1】尤洁,于海龙,王小林,周朴,许晓军. 掺稀土光纤的光子暗化研究进展. 激光与光电子学进展, 2014, 51(1): 10003--1

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