Influence of photo-inscription conditions on the radiation-response of fiber Bragg gratings

Abstract : We compared the sensitivity to X-rays of several fiber Bragg gratings (FBGs) written in the standard telecommunication fiber Corning SMF28 with different techniques. Standard gratings were manufactured with phase-mask and UV lasers, continuum wave (cw) at 244 nm or pulsed in the nanosecond domain at 248 nm, in a pre-hydrogenated fiber. Others gratings were written by exposures to a femtosecond IR-laser (800 nm), with both phase-mask and point by point techniques. The response of these FBGs was studied under X-rays at room temperature and 100°C, by highlighting their similarities and differences. Independently of the inscription technique, the two types of fs-FBGs have showed no big difference up to 1 MGy(SiO2) dose. A discussion on the causes of the radiation-induced peak change is also reported.
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Article dans une revue
Optics Express, Optical Society of America, 2015, 23 (7), pp.8659-8669. 〈10.1364/OE.23.008659〉
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https://hal-ujm.archives-ouvertes.fr/ujm-01185824
Contributeur : Sylvain Girard <>
Soumis le : vendredi 21 août 2015 - 15:45:45
Dernière modification le : jeudi 29 mars 2018 - 09:04:04

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Adriana Morana, Sylvain Girard, Emmanuel Marin, M. Lancry, Claude Marcandella, et al.. Influence of photo-inscription conditions on the radiation-response of fiber Bragg gratings. Optics Express, Optical Society of America, 2015, 23 (7), pp.8659-8669. 〈10.1364/OE.23.008659〉. 〈ujm-01185824〉

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