Device and method for optically detecting gas: Multi-fiber readout

Martin Slaman (Inventor)

Research output: PatentAcademic

Abstract

A device for optically detecting fluid comprises several optical fibres, each of which is provided with a sensor end and an opposite coupling end. Each of the sensor ends is provided with an optical sensor having reflective properties which depend on the concentration of the fluid to be detected at the sensor. The device comprises a light source, a detector and an optical body. The coupling ends of the optical fibres are connected to the optical body at a distance from one another. The light source and the detector are arranged on the optical body in such a manner that light is conducted from the light source through the optical body and is coupled at the coupling ends of the optical fibres and light which is reflected by the optical sensor and which is ejected from the coupling ends of the optical fibres is conducted through the optical body and is received by the detector. The distance between the coupling ends of the optical fibres is such that the ejected light from each coupling end can be detected separately.
Original languageEnglish
Patent numberWO 2010/117277 A1
IPCGOIN 21177 (2006.01)
Priority date10/04/09
Publication statusPublished - 14 Oct 2010

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