Hydrogen loading to the optic fibers for fiber grating sensors

Zhi-yong Pan; Xiao-qiang Zhang; Chun Xiao; Yuan Zhu; Wen-jie Wei

doi:10.1117/12.2199405

8 October 2015 Hydrogen loading to the optic fibers for fiber grating sensors

Zhi-yong Pan, Xiao-qiang Zhang, Chun Xiao, Yuan Zhu, Wen-jie Wei

Proceedings Volume 9679, AOPC 2015: Optical Fiber Sensors and Applications; 96790L (2015) https://doi.org/10.1117/12.2199405
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

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°C, 50°C and 80°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.

Citation Download Citation

Zhi-yong Pan, Xiao-qiang Zhang, Chun Xiao, Yuan Zhu, and Wen-jie Wei "Hydrogen loading to the optic fibers for fiber grating sensors", Proc. SPIE 9679, AOPC 2015: Optical Fiber Sensors and Applications, 96790L (8 October 2015); https://doi.org/10.1117/12.2199405

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