Referencing technique for intensity-based sensors using fibre optic Bragg gratings

Cavaleiro, P.M.; Lobo Ribeiro, Antonio B.; Santos, J.L.

http://hdl.handle.net/10284/7950

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1995 - Electronics Letters.pdf		1.11 MB	Adobe PDF	Download

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Authors

Cavaleiro, P.M.

Lobo Ribeiro, Antonio B.

Santos, J.L.

Abstract(s)

An all-optical fibre referencing scheme for intensity based sensors which uses two identical fibre Bragg gratings is described. It provides a general and simple miniature sensor design with referencing directiveness against system power fluctuations. The concept is demonstrated for a reflective-type displacement sensing cavity, and its potential for simultaneous measurand and temperature evaluation is evaluated.