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Proceedings Paper

Fibre optic broadband interferometry for absolute distance measurements through optically dense media
Author(s): Peter B. Harrison; Robert R. J. Maier; J. S. Barton; Julian D. C. Jones; Scott McCulloch; Gary Burnell
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Paper Abstract

In this paper we describe absolute distance measurement through an optically dense transparent polymer, using a fibrebased, broadband interrogated, Fabry-Perot interferometer. The dual fibre sensor demonstrates a system that provides 'on-line' compensation for temperature and stress effects through recovery of refractive index information. Over a typical sensing range of 1mm distance measurements with sub-micron accuracy are reported.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623395
Show Author Affiliations
Peter B. Harrison, Heriot-Watt Univ. (United Kingdom)
Robert R. J. Maier, Heriot-Watt Univ. (United Kingdom)
J. S. Barton, Heriot-Watt Univ. (United Kingdom)
Julian D. C. Jones, Heriot-Watt Univ. (United Kingdom)
Scott McCulloch, AWE plc (United Kingdom)
Gary Burnell, AWE plc (United Kingdom)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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