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Temperature response of Fiber Bragg gratings versus distributed temperature sensitivity in fibers with different refractive index profile and germanium concentration

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Abstract

We present a solid systematic and quantitative experimental analysis of the effect of germanium concentration on FBGs and temperature sensitivity in Rayleigh-based OFDR in different fibers with a single-step and three-step refractive index profile.

© 2021 The Author(s)

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