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CYTOP Fibre Bragg Grating Sensors for Harsh Radiation Environments

1
Telecommunications and Electromagnetism Department, University of Mons, Blvd Dolez 31, 7000 Mons, Belgium
2
Cyprus University of Technology, Limassol 3036, Cyprus
3
SCK•CEN, Belgian Nuclear Research Centre, 2400 Mol, Belgium
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(13), 2853; https://doi.org/10.3390/s19132853
Received: 28 May 2019 / Revised: 14 June 2019 / Accepted: 19 June 2019 / Published: 27 June 2019
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Abstract

We present a polymer fibre Bragg grating sensor and its sensitivity to gamma radiation by observing the reflected spectral profile. The Bragg grating is femtosecond inscribed within a perfluorinated CYTOP fibre and the alteration of the Bragg wavelength corresponds to the total radiation dose received. Over a total dose of 41 k Gy, the fibre demonstrates a sensitivity of 26.2 p m / k Gy and a resolution of 40 Gy. Under active consideration for the instrumentation of nuclear waste repositories, this study gives a better understanding of the effects of gamma radiation upon Bragg gratings in CYTOP fibres. View Full-Text
Keywords: polymer optical fibres; gamma radiation; fibre Bragg gratings polymer optical fibres; gamma radiation; fibre Bragg gratings
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Broadway, C.; Kinet, D.; Theodosiou, A.; Kalli, K.; Gusarov, A.; Caucheteur, C.; Mégret, P. CYTOP Fibre Bragg Grating Sensors for Harsh Radiation Environments. Sensors 2019, 19, 2853.

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