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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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.
|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:||17 Sep 2012 16:13|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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