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Chin. Opt. Lett.
 Home  List of Issues    Issue 03 , Vol. 17 , 2019    10.3788/COL201917.031401

Non-isothermal bleaching of Yb–Li co-doped silica fibers
Miao Li1;2, Gui Chen2, Jinyong Leng1, Jinbao Chen1, and Jinyan Li2
1 College of Advanced Interdisciplinary Studies, [National University of Defense Technology], Changsha 41 0073, China
2 Wuhan National Laboratory for Optoelectronics (WNLO), [Huazhong University of Science and Technology], Wuhan 430074, China

Chin. Opt. Lett., 2019, 17(03): pp.031401

Topic:Lasers and laser optics
Keywords(OCIS Code): 140.3615  060.3510  160.2290  

In this work, non-isothermal bleaching of Yb–Li co-doped fiber was investigated. The Yb–Li co-doped fiber was beneficial to reduce the photodarkening-induced excess loss and had no bad effect on the temperature of thermal bleaching (TB). Photodarkened fibers were bleached with different temperature ramp rates. The higher the ramp rate, the higher the complete bleaching temperature. The activation energy of the bleaching of Yb/Al/Li fiber was calculated by fitting, which was similar to that of an Yb-doped fiber. These observations are helpful in revealing the relationship between the mechanism of Li ion co-doping and TB.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2019/2/27

Get Citation: Miao Li, Gui Chen, Jinyong Leng, Jinbao Chen, and Jinyan Li, "Non-isothermal bleaching of Yb–Li co-doped silica fibers," Chin. Opt. Lett. 17(03), 031401(2019)

Note: This work was supported by the National Key Research and Development Program of China (No. 2017YFB1104400) and the National Natural Science Foundation of China (No. 61735007).


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