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A novel fibre optic stress/strain sensor, using the near-infrared SPATE effect (FONI-SPATE)

A novel fibre optic stress/strain sensor, using the near-infrared SPATE effect (FONI-SPATE)
A novel fibre optic stress/strain sensor, using the near-infrared SPATE effect (FONI-SPATE)
A new fibre optic stress/strain sensor, utilising near-infrared SPATE, is reported which is suitable for monitoring hot materials. The fibre is merely arranged to collect the grey body emission from a heated metal sample. When the sample is subject to transient stresses, the radiation is modulated because of the adiabatic changes in the temperature of the material surface. The modulation of the light is monitored, via a silica optical fibre, using a near- infrared GaInAs photo-detector. This is also believed to be the first demonstration of SPATE in the near infrared region of the spectrum.
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Cruz, J.L.
91d9d692-d3f1-473e-a4ee-0e6e9be663e3
Reed, P.A.S.
8b79d87f-3288-4167-bcfc-c1de4b93ce17
Sinclair, I.
6005f6c1-f478-434e-a52d-d310c18ade0d
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Cruz, J.L.
91d9d692-d3f1-473e-a4ee-0e6e9be663e3
Reed, P.A.S.
8b79d87f-3288-4167-bcfc-c1de4b93ce17
Sinclair, I.
6005f6c1-f478-434e-a52d-d310c18ade0d

Dakin, J.P., Cruz, J.L., Reed, P.A.S. and Sinclair, I. (1994) A novel fibre optic stress/strain sensor, using the near-infrared SPATE effect (FONI-SPATE). Smart Structures & Materials Conference, , Glasgow, United Kingdom. 01 Jan 1994.

Record type: Conference or Workshop Item (Paper)

Abstract

A new fibre optic stress/strain sensor, utilising near-infrared SPATE, is reported which is suitable for monitoring hot materials. The fibre is merely arranged to collect the grey body emission from a heated metal sample. When the sample is subject to transient stresses, the radiation is modulated because of the adiabatic changes in the temperature of the material surface. The modulation of the light is monitored, via a silica optical fibre, using a near- infrared GaInAs photo-detector. This is also believed to be the first demonstration of SPATE in the near infrared region of the spectrum.

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Published date: 1994
Venue - Dates: Smart Structures & Materials Conference, , Glasgow, United Kingdom, 1994-01-01 - 1994-01-01
Learn more about Optoelectronics Research Centre research Learn more about Engineering Sciences research

Identifiers

Local EPrints ID: 77123
URI: http://eprints.soton.ac.uk/id/eprint/77123
PURE UUID: 5135ee2b-25e5-4327-8291-b62e2b22c5c8
ORCID for P.A.S. Reed: ORCID iD orcid.org/0000-0002-2258-0347

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:37

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Contributors

Author: J.P. Dakin
Author: J.L. Cruz
Author: P.A.S. Reed ORCID iD
Author: I. Sinclair

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