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Simultaneous electronic tracking of multiple Bragg fibre gratings

Simultaneous electronic tracking of multiple Bragg fibre gratings
Simultaneous electronic tracking of multiple Bragg fibre gratings
This project involved the evolution and development of an existing system which monitors Bragg grating sensors in an optical fibre. The system interrogates the gratings in an optical fibre network using an acousto-optic tunable filter. A personal computer together with an electronic feedback loop are used to seek and then lock onto the gratings within the optical fibre. Tracking of the gratings is achieved by measuring the wavelength of light reflected back from each grating within the optical fibre. A clone of the existing system in a modular form which operated at a higher frequency was achieved. Applications of this technology include strain sensing within composite materials, pressure and temperature sensing.

A project submitted for the award of a MEng., supervised by J.P.Dakin
University of Southampton
North, F.E.
d186ace0-83d5-419e-8941-d6b5c1bb3b6f
Dakin, J.
e307d09b-cf4c-4d76-bd19-656339ef9270
North, F.E.
d186ace0-83d5-419e-8941-d6b5c1bb3b6f
Dakin, J.
e307d09b-cf4c-4d76-bd19-656339ef9270

North, F.E. and Dakin, J. (1996) Simultaneous electronic tracking of multiple Bragg fibre gratings University of Southampton

Record type: Monograph (Project Report)

Abstract

This project involved the evolution and development of an existing system which monitors Bragg grating sensors in an optical fibre. The system interrogates the gratings in an optical fibre network using an acousto-optic tunable filter. A personal computer together with an electronic feedback loop are used to seek and then lock onto the gratings within the optical fibre. Tracking of the gratings is achieved by measuring the wavelength of light reflected back from each grating within the optical fibre. A clone of the existing system in a modular form which operated at a higher frequency was achieved. Applications of this technology include strain sensing within composite materials, pressure and temperature sensing.

A project submitted for the award of a MEng., supervised by J.P.Dakin

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Published date: 1996

Identifiers

Local EPrints ID: 387138
URI: https://eprints.soton.ac.uk/id/eprint/387138
PURE UUID: 419b855e-9583-4fd6-8839-10256911291e

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Date deposited: 12 Feb 2016 14:23
Last modified: 17 Jul 2017 19:44

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Contributors

Author: F.E. North
Author: J. Dakin

University divisions

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