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Journal Articles Optics Express Year : 2015

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

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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.

Dates and versions

ujm-01185824 , version 1 (21-08-2015)

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Cite

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, 2015, 23 (7), pp.8659-8669. ⟨10.1364/OE.23.008659⟩. ⟨ujm-01185824⟩
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