Influence of Fiber Composition and Grating Fabrication on the Radiation Sensitivity of Fiber Bragg Gratings

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...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2008-08, Vol.55 (4), p.2235-2242
Main Authors: Henschel, H., Hoeffgen, S.K., Krebber, K., Kuhnhenn, J., Weinand, U.
Format: Article
Language:English
Subjects:
Annealing
Attenuation
Bragg gratings
Fiber Bragg gratings
Fiber gratings
Fiber lasers
Fibers
gamma radiation
Lasers
Manufacturing
Optical attenuators
Optical device fabrication
optical fiber sensor
Optical fiber sensors
Optical fiber testing
Optical fibers
radiation effects
Wavelengths
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Description
Summary: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.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2008.2001039