Distributed grating sensors using low-coherence reflectometry


Volanthen, M., Geiger, H. and Dakin, J.P. (1997) Distributed grating sensors using low-coherence reflectometry. IEEE Journal of Lightwave Technology, 15, (11), 2076-2082. (doi:10.1109/50.641525 ).

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Description/Abstract

Distributed grating sensors have recently been interrogated with low-coherence reflectometry. Initial results have been enhanced using two new and versatile configurations. The first system tracks the wavelength using a closed-loop scheme, while the second system scans the distance using an open-loop approach. Arbitrary strain and temperature profiles along gratings have been examined with 300 µm spatial resolution and 5.4 με/√Hz accuracy. A theoretical model of the interrogation technique is derived and the predicted performance limits are examined experimentally.

Item Type: Article
ISSNs: 0733-8724 (print)
1558-2213 (electronic)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 77970
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:58
URI: http://eprints.soton.ac.uk/id/eprint/77970

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