Single piece fabry-perot optical sensor and method of...

Details Single piece fabry-perot optical sensor and method of... Single piece fabry-perot optical sensor and method of...

G - Physics

01

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G01D 5/26 (2006.01) G01B 9/02 (2006.01) G01H 9/00 (2006.01) G01L 1/00 (2006.01) G01L 7/08 (2006.01) G01P 15/00 (2006.01)

Patent

CA 2618685

An optical sensor and a method of manufacturing such as sensor are provided. The sensor includes a lead optical fiber with a single piece optical element joined permanently joined to its forward end. The optical element defines a spacer with a cavity therein at one end, and a diaphragm at the opposite end. The diaphragm is flexible in response to a parameter and the sensor defines a sensing Fabry-Perot resonator.

L'invention concerne un capteur optique et un procédé de fabrication de ce capteur. Le capteur comprend une fibre optique de conducteur avec un élément optique constitué d'une seule pièce, relié de manière permanente à son extrémité avant. L'élément optique définit un espaceur avec une cavité dans celui-ci au niveau d'une extrémité et un diaphragme au niveau de l'extrémité opposée. Le diaphragme est flexible en réponse à un paramètre et le capteur définit un résonateur de Fabry-Perot de détection.

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