Tilted grating sensor

Details Tilted grating sensor Tilted grating sensor

C - Chemistry, Metallurgy

12

M

C12M 1/34 (2006.01) C12Q 1/04 (2006.01) C12Q 1/68 (2006.01) C12Q 1/70 (2006.01) G01B 11/16 (2006.01) G01D 5/26 (2006.01) G01L 1/24 (2006.01) G01L 11/02 (2006.01) G01N 21/41 (2006.01) G01N 33/483 (2006.01) G01N 33/53 (2006.01) G01N 33/569 (2006.01) G01N 33/66 (2006.01) G01N 33/98 (2006.01)

Patent

CA 2661110

The present invention relates to a sensor using a tilted fiber grating to detect physical manifestations occurring in a medium. Such physical manifestations induce measurable changes in the optical property of the tilted fiber grating. The sensor comprises a sensing surface which is to be exposed to the medium, an optical pathway and a tilted grating in the optical pathway. The grating is responsive to electromagnetic radiation propagating in the optical pathway to generate a response conveying information on the physical manifestation.

La présente invention concerne un détecteur utilisant un réseau de fibres incliné destiné à détecter des manifestations physiques se produisant dans un milieu. De telles manifestations physiques induisent des changements mesurables dans la propriété optique du réseau de fibres incliné. Le détecteur comprend une surface de détection qui doit être exposée au milieu, un trajet optique et un réseau incliné dans le trajet optique. Le réseau est sensible au rayonnement électromagnétique se propageant dans le trajet optique afin de créer une réponse transportant des informations sur la manifestation physique.

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