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Proceedings Paper

Novel fibre optic stress/strain sensor using the near-infrared SPATE effect (FONI-SPATE)
Author(s): John P. Dakin; Jose Luis Cruz Munoz; P. A.S. Reed; I. Sinclair
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Paper Abstract

A new fiber optic stress/strain sensor, utilizing near-infrared SPATE, is reported which is suitable for monitoring hot materials. The fiber 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 fiber, 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.

Paper Details

Date Published: 13 September 1994
PDF: 4 pages
Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); doi: 10.1117/12.184864
Show Author Affiliations
John P. Dakin, Univ. of Southampton (United Kingdom)
Jose Luis Cruz Munoz, Univ. of Southampton (United Kingdom)
P. A.S. Reed, Univ. of Southampton (United Kingdom)
I. Sinclair, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 2361:
Second European Conference on Smart Structures and Materials
Alaster McDonach; Peter T. Gardiner; Ron S. McEwen; Brian Culshaw, Editor(s)

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