Gamma-Radiation Effects on Bragg Gratings Written by Femtosecond UV Laser in Ge-Doped Fibers

Andrei Goussarov; Benoît Brichard; D. N. Nikogosyan; Marc Schyns

doi:10.1109/TNS.2009.2039494

Gamma-Radiation Effects on Bragg Gratings Written by Femtosecond UV Laser in Ge-Doped Fibers

Andrei Goussarov, Benoît Brichard, D. N. Nikogosyan, Marc Schyns

Research output › peer-review

Abstract

We studied the effect of Co60 gamma-radiation on the position and the amplitude of fiber Bragg gratings. These gratings were written with a femtosecond UV laser in three different fibers, both intrinsically photosensitive and hydrogen sensitized.We have found that in contrast with the results obtained on gratings written with low-intensity UV lasers, the Bragg peak shift under irradiation is almost independent on fiber type, fiber sensitization or grating amplitude. The grating strength behavior depends on the fiber type.

Original language	English
Pages (from-to)	2024-2028
Journal	IEEE transactions on nuclear Science
Volume	57
Issue number	4
DOIs	https://doi.org/10.1109/TNS.2009.2039494
State	Published - Aug 2010
Event	RADECS 2009 - RADECS 2009, Brugge Duration: 14 Sep 2009 → 18 Sep 2009

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Cite this

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title = "Gamma-Radiation Effects on Bragg Gratings Written by Femtosecond UV Laser in Ge-Doped Fibers",

abstract = "We studied the effect of Co60 gamma-radiation on the position and the amplitude of fiber Bragg gratings. These gratings were written with a femtosecond UV laser in three different fibers, both intrinsically photosensitive and hydrogen sensitized.We have found that in contrast with the results obtained on gratings written with low-intensity UV lasers, the Bragg peak shift under irradiation is almost independent on fiber type, fiber sensitization or grating amplitude. The grating strength behavior depends on the fiber type.",

keywords = "Femtosecond UV Laser, fiber Bragg gratings, ionizing radiation-induced Bragg wavelength shift, optical fiber gamma-radiation effects",

author = "Andrei Goussarov and Beno{\^i}t Brichard and Nikogosyan, {D. N.} and Marc Schyns",

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AB - We studied the effect of Co60 gamma-radiation on the position and the amplitude of fiber Bragg gratings. These gratings were written with a femtosecond UV laser in three different fibers, both intrinsically photosensitive and hydrogen sensitized.We have found that in contrast with the results obtained on gratings written with low-intensity UV lasers, the Bragg peak shift under irradiation is almost independent on fiber type, fiber sensitization or grating amplitude. The grating strength behavior depends on the fiber type.

KW - Femtosecond UV Laser

KW - fiber Bragg gratings

KW - ionizing radiation-induced Bragg wavelength shift

KW - optical fiber gamma-radiation effects

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JF - IEEE transactions on nuclear Science

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