Hydrogen loading to the optic fibers for fiber grating sensors

被引：0
|
作者：
Pan Zhi-yong [1 ]
Zhang Xiao-qiang [1 ]
Xiao Chun [1 ]
Zhu Yuan [1 ]
Wei Wen-jie [2 ]
机构：
[1] China Elect Technol Grp Corp, Res Inst 23, Shanghai 201900, Peoples R China
[2] Tongji Univ Lib, Shanghai 200092, Peoples R China
来源：
AOPC 2015: OPTICAL FIBER SENSORS AND APPLICATIONS | 2015年 / 9679卷
关键词：
distributed sensing; hydrogen loaded; fiber grating sensor; radiation hard; AMPLIFIERS; GLASS;
D O I：
10.1117/12.2199405
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Fibers with different depths of hermetically coated carbon are hydrogen loaded and radiated, and it's found that too thick of carbon layer around fiber can't bring best radiation-resistant properties, because the thick carbon layer would make the entering of hydrogen difficult although it can help to stop the hydrogen escaping. We also research the duration of saturated hydrogen loading under the temperature of 30 degrees C, 50 degrees C and 80 degrees C respectively, and it's found that after 150h, 100h and 48h, the fibers' photo sensitivities tend to be flat. Besides, in order to research the period of validity of hydrogen, some hydrogen loaded fibers are idle for from 1 day to 1 months before etched. The additional loss of these fibers are tested and compared.
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页数：3
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