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Proceedings Paper

Fiber Bragg grating regeneration modeling and ultra-wide temperature sensing application
Author(s): Lin Lu; Yuanhong Yang; Mingming Zheng; Wei Jin
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Paper 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.

Paper Details

Date Published: 16 February 2017
PDF: 5 pages
Proc. SPIE 10100, Optical Components and Materials XIV, 101000P (16 February 2017); doi: 10.1117/12.2251092
Show Author Affiliations
Lin Lu, BeiHang Univ. (China)
Yuanhong Yang, BeiHang Univ. (China)
Mingming Zheng, BeiHang Univ. (China)
Wei Jin, The Hong Kong Polytechnic Univ. (Hong Kong, China)

Published in SPIE Proceedings Vol. 10100:
Optical Components and Materials XIV
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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