2. The main mechanisms used to create fiber optic 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
Bibliography
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(1) - MEUNIER (J.P.) -
Physique et technologie des fibres optiques
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Traité EGEM, série Optoélectronique, Hermès Science Publication, Paris (2003).
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(2) - YU (F.T.S.), YIN (S.), YU (Y.T.S.) -
Fiber Optic Sensors...
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