High total dose radiation effects on temperature sensing fiber Bragg gratings

A. I. Gusarov; F. Berghmans; O. Deparis; A. Fernandez Fernandez; Yves Defosse; P. Mégret; M. Décreton; M. Blondel

doi:10.1109/68.784237

High total dose radiation effects on temperature sensing fiber Bragg gratings

A. I. Gusarov, F. Berghmans, O. Deparis, A. Fernandez Fernandez, Yves Defosse, P. Mégret, M. Décreton, M. Blondel

Research output › peer-review

Abstract

Fiber Bragg gratings (FBG's) written in a 10 mol.% Ge-doped core silica fiber using a phase mask were exposed to γ-radiation. The transmission and reflection spectra were recorded during irradiation up to doses in excess of 1 MGy. There was no detectable change of the Bragg peak amplitude and the grating temperature sensitivity. The radiation-induced shift of the Bragg wavelength saturated at a dose of 0.1 MGy at a level less than 25 pm, which could still be decreased by optimization of the grating parameters. Our results confirm that FBG's are good candidates for sensing applications in radiation environments.

Original language	English
Pages (from-to)	1159-1161
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	11
Issue number	9
DOIs	https://doi.org/10.1109/68.784237
State	Published - Sep 1999

Funding

Manuscript received March 1, 1999; revised May 17, 1999. The work of O. Deparis and P. Mégret was supported by the Inter-University Attraction Pole (IAP IV/07) of the Belgian Government (SSTC). A. I. Gusarov is with Faculté Polytechnique de Mons, B-7000 Mons, Belgium. He is also with SCK CEN, Belgian Nuclear Research Centre, B-2400 Mol, Belgium. F. Berghmans is with SCK CEN, Belgian Nuclear Research Centre, B-2400 Mol, Belgium. He is also with the Vrije Universiteit Brussel, Laboratory for Photonics, B-1050 Brussels, Belgium. O. Deparis, Y. Defosse, P. Mégret, and M. Blondel are with Faculté Polytechnique de Mons, B-7000 Mons, Belgium. A. F. Fernandez is with SCK CEN Belgian Nuclear Research Centre, B-2400 Mol, Belgium. He is also with Université Libre de Bruxelles, B-1050 Brussels, Belgium. M. Décreton is with SCK CEN, Belgian Nuclear Research Centre, B-2400 Mol, Belgium. Publisher Item Identifier S 1041-1135(99)06849-4.

Funders	Funder number
Not added	IAP IV/07

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

Access to Document

10.1109/68.784237

Cite this

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abstract = "Fiber Bragg gratings (FBG's) written in a 10 mol.% Ge-doped core silica fiber using a phase mask were exposed to γ-radiation. The transmission and reflection spectra were recorded during irradiation up to doses in excess of 1 MGy. There was no detectable change of the Bragg peak amplitude and the grating temperature sensitivity. The radiation-induced shift of the Bragg wavelength saturated at a dose of 0.1 MGy at a level less than 25 pm, which could still be decreased by optimization of the grating parameters. Our results confirm that FBG's are good candidates for sensing applications in radiation environments.",

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AU - Gusarov, A. I.

AU - Berghmans, F.

AU - Deparis, O.

AU - Fernandez Fernandez, A.

AU - Defosse, Yves

AU - Mégret, P.

AU - Décreton, M.

AU - Blondel, M.

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AB - Fiber Bragg gratings (FBG's) written in a 10 mol.% Ge-doped core silica fiber using a phase mask were exposed to γ-radiation. The transmission and reflection spectra were recorded during irradiation up to doses in excess of 1 MGy. There was no detectable change of the Bragg peak amplitude and the grating temperature sensitivity. The radiation-induced shift of the Bragg wavelength saturated at a dose of 0.1 MGy at a level less than 25 pm, which could still be decreased by optimization of the grating parameters. Our results confirm that FBG's are good candidates for sensing applications in radiation environments.

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