The effects of gamma-radiation on the properties of Brillouin scattering in standard Ge-doped optical fibres

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Abstract

We have experimentally studied the effects of gamma-radiation up to very high total doses on the physical properties of Brillouin scattering in standard commercially available optical fibres. A frequency variation of about 5 MHz for both Brillouin frequency and linewidth has been measured at the total dose of about 10 MGy. The radiation-induced shift has a negligible practical impact and makes Brillouin scattering very immune to radiation, so that distributed sensors based on this interaction exhibit an interesting potential for use in nuclear facilities.

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Original languageEnglish
Pages (from-to)1091-1094
JournalMeasurement Science and Technology
Volume17
DOIs
Publication statusPublished - 1 May 2006

Keywords

  • ionizing radiation, Brillouin scattering, distributed measurements, fibre optics sensors, radiation effects

ID: 223195