Optical fiber sensors and their role in smart structures

Brian Culshaw; W. Craig Michie

doi:10.1117/12.345560

2 January 1998 Optical fiber sensors and their role in smart structures

Brian Culshaw, W. Craig Michie

Proceedings Volume 3211, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96; (1998) https://doi.org/10.1117/12.345560
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96, 1996, Madras, India

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.

Citation Download Citation

Brian Culshaw and W. Craig Michie "Optical fiber sensors and their role in smart structures", Proc. SPIE 3211, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '96, (2 January 1998); https://doi.org/10.1117/12.345560

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