National Research Council of Canada

Kasthuri De Silva

Stephen J Mihailov

Ping Lu

Dan Grobnic

Huimin Ding

Robert Walker

Cyril Hnatovsky

David Coulas

An apparatus, method and system are set forth for detection of fluids using Bragg grating sensors, wherein the Bragg grating sensing element comprises an optical fiber having a Bragg grating inscribed therein characterized by optical properties that are dependent upon the periodicity and effective refractive index of the grating, and a package for subjecting the Bragg grating to a change in strain when contacted by a fluid such that periodicity and effective refractive index of the grating changes, whereby when interrogated with laser light any such change in periodicity and effective refractive index may be detected.

Apparatus, method and system for detecting presence of a fluid

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Milton, Canada

Kasthuri De Silva