Fiber Bragg grating regeneration modeling and ultra-wide temperature sensing application

Lin Lu; Yuanhong Yang; Mingming Zheng; Wei Jin

doi:10.1117/12.2251092

16 February 2017 Fiber Bragg grating regeneration modeling and ultra-wide temperature sensing application

Lin Lu, Yuanhong Yang, Mingming Zheng, Wei Jin

Proceedings Volume 10100, Optical Components and Materials XIV; 101000P (2017) https://doi.org/10.1117/12.2251092
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Three types of Fiber Bragg gratings (FBGs) were inscribed in H₂-loaded and H₂-free fiber with phase mask using 800nm femtosecond (fs) laser, ultraviolet (UV) excimer laser respectively. Their reflection spectra regenerating procedure were observed under different annealing temperature and the models of regeneration process as well as annealing temperature and time were established. Experiments and model fitting show that there were definite regeneration temperature threshold for fs FBGs written in H₂-free fiber, H₂-loaded fiber and UV FBGs in H₂-loaded fiber. The temperature sensing characteristic of RFBGs were investigated and compared experimentally under ultra-wide temperature range.

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Citation Download Citation

Lin Lu, Yuanhong Yang, Mingming Zheng, and Wei Jin "Fiber Bragg grating regeneration modeling and ultra-wide temperature sensing application", Proc. SPIE 10100, Optical Components and Materials XIV, 101000P (16 February 2017); https://doi.org/10.1117/12.2251092

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