29 November 2011 Influence of photo- and thermal bleaching on pre-irradiation low water peak single mode fibers
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Proceedings Volume 8307, Passive Components and Fiber-Based Devices VIII; 83072J (2011) https://doi.org/10.1117/12.905882
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China
Abstract
Reducing the radiation-induced transmission loss in low water peak single mode fiber (LWP SMF) has been investigated by using photo-bleaching method with 980nm pump light source and using thermal-bleaching method with temperature control system. The results show that the radiation-induced loss of pre-irradiation optical fiber can be reduced effectively with the help of photo-bleaching or thermal-bleaching. Although the effort of photo-bleaching is not as significant as thermal-bleaching, by using photo-bleaching method, the loss of fiber caused by radiation-induced defects can be reduced best up to 49% at 1310nm and 28% at 1550nm in low pre-irradiation condition, the coating of the fiber are not destroyed, and the rehabilitating time is just several hours, while self-annealing usually costs months' time. What's more, the typical high power LASER for photo-bleaching can be 980nm pump Laser Diode, which is very accessible.
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Jianchong Yin, Jianxiang Wen, Wenyun Luo, Zhongyin Xiao, Zhenyi Chen, Tingyun Wang, "Influence of photo- and thermal bleaching on pre-irradiation low water peak single mode fibers", Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 83072J (29 November 2011); doi: 10.1117/12.905882; https://doi.org/10.1117/12.905882
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