Multi-core optical fiber sensor

G - Physics – 01 – D

Patent

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Details

G01D 3/036 (2006.01) G01D 5/353 (2006.01) G01L 9/00 (2006.01)

Patent

CA 2654268

A multi-core optical fiber sensor is described, which sensor includes an optical fiber having at least two cores, wherein the cores have collocated measurement portions, for example in-fiber interferometers or Bragg grating portions. In an exemplary embodiment, the fiber is provided with collocated measurement portions during fiberization to eliminate drift factors and to provide temperature corrected parameter measurement capabilities.

L'invention décrit un détecteur à fibre optique multi-âme, lequel détecteur comprend une fibre optique qui présente au moins deux âmes, les âmes ayant des parties de mesure intégrées, par exemple des interféromètres en fibre ou des parties en grille de Bragg. Dans un exemple de réalisation, la fibre est dotée de parties de mesure intégrées pendant la formation de la fibre, de manière à éliminer les facteurs de dérive et à obtenir des capacités de mesure de paramètres avec correction de température.

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