Quizzed article | REF: R2390 V1

An introduction to fiber optic sensors

Author: Christophe CAUCHETEUR

Publication date: September 10, 2012, Review date: June 1, 2021 | Lire en français

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    2. The main mechanisms used to create fiber optic sensors

    2.1 Interferometric sensors

    Their operating principle is based on interference between two superimposed coherent or partially coherent beams. The useful signal is then the intensity of the interference signal.

    Several configurations based on this principle have been reported.

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    2.1.1 Sagnac interferometers

    These are non-reciprocal ring interferometers for which light propagating in the clockwise direction of the rotating loop is...

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    The main mechanisms used to create fiber optic sensors