Demultiplexing of fibre Bragg grating temperature and strain sensors

Abstract

We describe a demultiplexing scheme for fibre optic Bragg grating sensors in which signal recovery is achieved by locking each sensor grating to a corresponding receiver grating. As a demonstration, the technique is applied to strain and temperature sensing, achieving a resolution of 3.0 µe and 0.2°C, respectively.

Uncontrolled Keywords: demultiplexing scheme, fibre optic Bragg grating sensors, signal recovery, sensor grating, receiver grating, strain, temperature sensing
Published Date: 1994-09-15
Authors: Brady, G.P.
Hope, S.
Ribeiro, A.B. Lobo
Webb, David J.
Reekie, L.
Archambault, J.L.
Jackson, David A.

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