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Proceedings Paper

Dynamic displacement measurements with submicron resolution using microwave subcarrier interferometry
Author(s): Alan Johnstone; Sebastian Portou; S. Gareth Pierce; Brian Culshaw
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Paper Abstract

We have interrogated a commercially available (SOFO) fiber optic displacement sensor in a dynamic mode using microwave sub-carrier interferometry. The detection threshold is in the region of 50 nm and the linear dynamic range extends to several centimeters using a sub-carrier frequency around 900 MHz.

Paper Details

Date Published: 9 December 1999
PDF: 4 pages
Proc. SPIE 3860, Fiber Optic Sensor Technology and Applications, (9 December 1999); doi: 10.1117/12.372948
Show Author Affiliations
Alan Johnstone, Univ. of Strathclyde (United Kingdom)
Sebastian Portou, Univ. of Strathclyde (United Kingdom)
S. Gareth Pierce, Univ. of Strathclyde (United Kingdom)
Brian Culshaw, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 3860:
Fiber Optic Sensor Technology and Applications
Michael A. Marcus; Brian Culshaw, Editor(s)

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