Accelerometer featuring fiber optic bragg grating sensor for...

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G - Physics

01

P

G01P 15/08 (2006.01) G01P 15/00 (2006.01) G01P 15/093 (2006.01) G01P 15/18 (2006.01)

Patent

CA 2319347

An accelerometer has a main body in combination with one or more Bragg grating sensors respectively arranged along one or more axes. The main body has a mass that responds to an acceleration in one or more axes. The compression or stretching of a Bragg grating sensor causes a wavelength shift in the optical signal that contains information about the acceleration and that is sensed by a detector.

L'invention concerne un accéléromètre qui est constitué d'un corps principal combiné avec un ou plusieurs capteurs du type réseau de Bragg disposés respectivement le long d'un ou de plusieurs axes. Le corps principal présente une masse qui réagit à une accélération sur un ou plusieurs axes. La compression ou l'étirement du capteur du type réseau de Bragg entraîne un changement de longueur d'onde du signal optique qui contient des informations sur l'accélération et qui est capté par un détecteur.

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