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Proceedings Paper

Optical fiber sensors and their role in smart structures
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Paper Abstract

Optical fibre sensors have enormous potential as an important technology in structural monitoring. Their particular advantages include the ability to make distributed measurements, immunity from electromagnetic noise and pick-up and the capability of operating over large areas and/or at interrogation distances of many kilometres. This paper will, first of all, examine the requirements for structural monitoring in both civil engineering and composite structures for aerospace and underground transportation. The benefits and disadvantages of fibre optic techniques will then be explored and the general features of important contributory technologies including fibre Bragg gratings, microbend sensing, interferometric and sub-carrier sensors and non-linear optical techniques, e.g. stimulated Brillouin scatter will be highlighted and their applications and properties described. The paper then examines some specific applications in each of these two principal sectors and concludes by speculating on future prospects for fibre optic sensing and structural assessment.

Paper Details

Date Published: 2 January 1998
PDF: 12 pages
Proc. SPIE 3211, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96, (2 January 1998); doi: 10.1117/12.345560
Show Author Affiliations
Brian Culshaw, Univ. of Strathclyde (United Kingdom)
W. Craig Michie, Univ. of Strathclyde (United Kingdom)

Published in SPIE Proceedings Vol. 3211:
International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96
J. P. Raina; P. R. Vaya, Editor(s)

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