Fibres for sensors
Payne, D.N. (1984) Fibres for sensors. In, Kersten, Ralf T. and Kist, Rainer (eds.) Proceedings of 2nd International Conference on Optical Fiber Sensors. 2nd International Conference on Optical Fiber Sensors (OFS '84) Bellingham, US, The International Society for Optical Engineering, 353-360. (Proceedings of SPIE, 514).
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Sensors which rely on the external modulation of the properties of an optical fibre (intrinsic sensors) are receiving much attention since they can be made extremely sensitive, and can be used for distributed measurements. Distributed sensing provides some particularly exciting prospects for acoustic, magnetic and electric field monitoring. To date, however, the great majority of experimental and commercial fibre sensors employ telecommunications-grade fibres, largely as a result of their ready availability. Not only does this policy frequently lead to a design compromise, but in some cases makes the performance marginal or untenable as a result of excessive environmental sensitivity. Despite this, little attention has been given to the design of special sensor fibres with enhanced (or depressed) sensitivity to specific measurands. The position is somewhat better with respect to fibres designed to eliminate sensor polarisation problems (e.g. polarisation-maintaining fibres), but even here further work is required to provide the performance demanded. The purpose of this paper is to review the fibres which have emerged for use in optical sensors and to indicate possible future developments. The constraints on sensor performance imposed by the use of telecommunications fibre will be indicated, and an idea of the improvements attainable by the design of special fibre structures, or the use of different materials, will be given
|Item Type:||Book Section|
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Aug 2015 01:09|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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