Fiber Bragg gratings as high dose radiation sensors?

K. Krebber; H. Henschel; U. Weinand

doi:10.1117/12.623698

23 May 2005 Fiber Bragg gratings as high dose radiation sensors?

K. Krebber, H. Henschel, U. Weinand

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623698
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

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.

Citation Download Citation

K. Krebber, H. Henschel, and U. Weinand "Fiber Bragg gratings as high dose radiation sensors?", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623698

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