Gamma radiation-induced blue shift of resonance peaks of Bragg gratings in pure silica fibres

Andrei Goussarov; Alexey Faustov; Patrice Mégret; Marc Wuilpart; Damien Kinet; Andrey Zhukov; S.G. Novikov; V.V. Svetukhin; A.A. Fotiadi

doi:10.1070/QEL15879

Gamma radiation-induced blue shift of resonance peaks of Bragg gratings in pure silica fibres

Andrei Goussarov, Alexey Faustov, Patrice Mégret, Marc Wuilpart, Damien Kinet, Andrey Zhukov, S.G. Novikov, V.V. Svetukhin, A.A. Fotiadi

Research output › peer-review

Abstract

We report the first observation of a significant gamma radiation-induced blue shift of the reflection/transmission peak of fibre Bragg gratings inscribed into pure-silica core fibres via multiphoton absorption of femtosecond pulses. At a total dose of ~100 kGy, the shift is ~20 pm. The observed effect is attributable to the ionising radiation-induced decrease in the density of the silica glass when the rate of colour centre formation is slow. We present results of experimental measurements that provide the key parameters of the dynamics of the gratings for remote dosimetry and temperature sensing.

Original language	English
Pages (from-to)	150-154
Number of pages	5
Journal	Quantum Electronics
Volume	46
Issue number	2
DOIs	https://doi.org/10.1070/QEL15879
State	Published - 1 Feb 2016

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Cite this

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title = "Gamma radiation-induced blue shift of resonance peaks of Bragg gratings in pure silica fibres",

abstract = "We report the first observation of a significant gamma radiation-induced blue shift of the reflection/transmission peak of fibre Bragg gratings inscribed into pure-silica core fibres via multiphoton absorption of femtosecond pulses. At a total dose of ~100 kGy, the shift is ~20 pm. The observed effect is attributable to the ionising radiation-induced decrease in the density of the silica glass when the rate of colour centre formation is slow. We present results of experimental measurements that provide the key parameters of the dynamics of the gratings for remote dosimetry and temperature sensing.",

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T1 - Gamma radiation-induced blue shift of resonance peaks of Bragg gratings in pure silica fibres

AU - Goussarov, Andrei

AU - Faustov, Alexey

AU - Mégret, Patrice

AU - Wuilpart, Marc

AU - Kinet, Damien

AU - Zhukov, Andrey

AU - Novikov, S.G.

AU - Svetukhin, V.V.

AU - Fotiadi, A.A.

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N2 - We report the first observation of a significant gamma radiation-induced blue shift of the reflection/transmission peak of fibre Bragg gratings inscribed into pure-silica core fibres via multiphoton absorption of femtosecond pulses. At a total dose of ~100 kGy, the shift is ~20 pm. The observed effect is attributable to the ionising radiation-induced decrease in the density of the silica glass when the rate of colour centre formation is slow. We present results of experimental measurements that provide the key parameters of the dynamics of the gratings for remote dosimetry and temperature sensing.

AB - We report the first observation of a significant gamma radiation-induced blue shift of the reflection/transmission peak of fibre Bragg gratings inscribed into pure-silica core fibres via multiphoton absorption of femtosecond pulses. At a total dose of ~100 kGy, the shift is ~20 pm. The observed effect is attributable to the ionising radiation-induced decrease in the density of the silica glass when the rate of colour centre formation is slow. We present results of experimental measurements that provide the key parameters of the dynamics of the gratings for remote dosimetry and temperature sensing.

KW - Fibre Bragg grating

KW - Gratingg inscription by femtosecond pulses

KW - radiation effects

KW - remote sensing

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/35746118

U2 - 10.1070/QEL15879

DO - 10.1070/QEL15879

M3 - Article

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JO - Quantum Electronics

JF - Quantum Electronics

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