Multiplexed optical fibre strain sensing by cross-correlation of subcarrier interferometric spectra
Volanthen, M., Geiger, H. and Dakin, J.P. (1996) Multiplexed optical fibre strain sensing by cross-correlation of subcarrier interferometric spectra. Electronics Letters, 32, (3), 243-244. (doi:10.1049/el:19960187).
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A novel technique for evaluating strain in multiple long-length sections of optical fibre is described. Sections defined by reflective markers are interrogated with subcarrier interferometry. Path-length changes are monitored using cross-correlation. A resolution of 35µm has been obtained over 5m sensing sections, together with inter-section crosstalk levels below -45dB.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||01 Jun 2011 10:41|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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