Multiplexed measurements of strain using short and long gauge length sensors
Geiger, Harald, Xu, Ming Gang, Dakin, John P. and Eaton, Nicholas C. (1995) Multiplexed measurements of strain using short and long gauge length sensors. In, Dakin, John P. and Kersey, Alan D. (eds.) Distributed and Multiplexed Fiber Optic Sensors V. Distributed and Multiplexed Fibre Optic Sensors V Bellingham, US, The International Society for Optical Engineering, 25-34. (Proceedings of SPIE, 2507). (doi:10.1117/12.219628).
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The paper discusses two complimentary optical fibre sensing techniques which have been researched for structural monitoring applications. The short-gauge-length sensor system is based on fibre gratings and has achieved a strain resolution below 1 microstrain. The long-gauge-length sensor system has achieved 100 micron spatial resolution using a new OTDR technique. Results are presented for surface-mounted and embedded sensors. Both sensors systems can be multiplexed to make more efficient use of the interrogating unit. Their system designs should be capable of being developed to meet real engineering applications
|Item Type:||Book Section|
|Digital Object Identifier (DOI):||doi:10.1117/12.219628|
|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:||27 Mar 2014 18:56|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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