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  4. Influence of fiber composition and grating fabrication on the radiation sensitivity of fiber Bragg gratings
 
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2008
Journal Article
Titel

Influence of fiber composition and grating fabrication on the radiation sensitivity of fiber Bragg gratings

Abstract
The radiation-induced Bragg wavelength shift (BWS) was measured with type I gratings made of 12 fibers with very different composition, i.e., of fibers with an extremely different radiation-induced attenuation. With two of the fibers fabrication parameters like laser intensity, hydrogen loading, and annealing conditions after grating inscription were varied. With another fiber type I and type II gratings were made by a completely different process. With gratings made under identical conditions of the 12 fibers the radiation-induced BWS only varied by about a factor of three. Varying the fabrication parameters led to BWS differences up to nearly a factor of ten.
Author(s)
Henschel, H.
Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT
Höffgen, S.K.
Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT
Krebber, K.
Bundesamt für Materialforschung
Kuhnhenn, J.
Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT
Weinand, U.
Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT
Zeitschrift
IEEE Transactions on Nuclear Science
Thumbnail Image
DOI
10.1109/TNS.2008.2001039
Language
English
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Fraunhofer-Institut für Naturwissenschaftlich-Technische Trendanalysen INT
Tags
  • fibre bragg grating

  • gamma radiation

  • optical fiber sensor

  • radiation effect

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