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Title: CYTOP fibre bragg grating sensors for harsh radiation environments
Authors: Broadway, Christian 
Kinet, Damien 
Theodosiou, Antreas 
Kalli, Kyriacos 
Gusarov, Andreï I. 
Caucheteur, Christophe 
Mégret, Patrice 
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Keywords: Fibre Bragg gratings;Gamma radiation;Polymer optical fibres
Issue Date: 1-Jul-2019
Source: Sensors, 2019, vol. 19, no. 13, articl. no. 2853
Volume: 19
Issue: 13
Journal: Sensors 
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 kGy, the fibre demonstrates a sensitivity of −26.2 pm/kGy 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.
ISSN: 1424-8220
DOI: 10.3390/s19132853
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license
Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Article
Affiliation : University of Mons 
Cyprus University of Technology 
Belgian Nuclear Research Centre 
Appears in Collections:Άρθρα/Articles

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