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Proceedings Paper

Fiber Bragg gratings as high dose radiation sensors?
Author(s): K. Krebber; H. Henschel; U. Weinand
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Paper Abstract

We have measured for the first time the shift of the Bragg wavelength and other parameters of fibre Bragg grating (FBGs) exposed to γ-radiation at different wavelengths up to a dose of 100 kGy. The results show that the FBG sensitivity to radiation increases from 820 nm to 1516 nm so that FBGs with higher Bragg wavelength, e.g. 1.55 μm, are good candidates for high dose radiation sensing: no saturation was observed up to 100 kGy and the measured wavelength shift was fairly independent on the radiation dose rate.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623698
Show Author Affiliations
K. Krebber, Fraunhofer-Institut fuer Naturwissenschaftlich-Technische Trendanalysen (Germany)
H. Henschel, Fraunhofer-Institut fuer Naturwissenschaftlich-Technische Trendanalysen (Germany)
U. Weinand, Fraunhofer-Institut fuer Naturwissenschaftlich-Technische Trendanalysen (Germany)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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