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Proceedings Paper

Impact of hydrogen-induced effects on optical fiber Bragg gratings
Author(s): Cicero Martelli; Alexis Mendez; Adriana L. C. Triques; Arthur M. B. Braga; John Canning; Kevin Cook; Roberth Llerena; Victor Takahashi
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Paper Abstract

The effects induced by low and high pressure ingression of hydrogen on UV-written germanium doped silica optical fiber Bragg gratings-at room and high temperature-are studied and discussed. Results show that at elevated temperatures (>150 °C), an immediate and permanent shift of the peak grating reflectivity is induced and proportional to the hydrogen concentration (10 pm/AtmH2), whilst at room temperature most of the grating spectrum changes are transient and mostly reversible.

Paper Details

Date Published: 18 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775385 (18 May 2011); doi: 10.1117/12.886069
Show Author Affiliations
Cicero Martelli, Federal Univ. of Technology, Parana (Brazil)
Alexis Mendez, MCH Engineering LLC (United States)
Adriana L. C. Triques, Petrobras Research Ctr. (Brazil)
Arthur M. B. Braga, Pontificia Univ. Católica do Rio de Janeiro (Brazil)
John Canning, The Univ. of Sydney (Australia)
Kevin Cook, The Univ. of Sydney (Australia)
Roberth Llerena, Pontificia Univ. Católica do Rio de Janeiro (Brazil)
Victor Takahashi, Pontificia Univ. Católica do Rio de Janeiro (Brazil)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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