Ground-water monitoring using polymer optical fibre Bragg gratings

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dc.contributor.authorMehravar, M.
dc.contributor.authorYang, H.
dc.contributor.authorZhang, Wei
dc.contributor.authorWebb, D. J.
dc.date.accessioned2020-04-02T15:35:18Z
dc.date.available2020-04-02T15:35:18Z
dc.date.issued2019-08-28
dc.description.abstractOptical fibre Bragg grating sensors inscribed in polymer optical fibre have been shown to be sensitive to the water content of the medium surrounding the fibre and this property has been applied, for example, to the monitoring of humidity and the water content of aviation fuel. In this work we assess the feasibility of using such sensors for monitoring the saturation of soils, which is important for civil engineering applications. We find a very non-linear response, with a rapid increase in Bragg wavelength as the water content increases from 0 to 0.5%, with a much more gradual, but still monotonic, increase thereafter. We speculate on the causes of this response.en_UK
dc.identifier.citationMehravar M, Yang H, Zhang W, Webb D. (2019) Ground-water monitoring using polymer optical fibre Bragg gratings. In: 7th European Workshop on Optical Fibre Sensors, 1-4 October 2019, Limassol, Cyprusen_UK
dc.identifier.isbn9781510631236
dc.identifier.urihttps://doi.org/10.1117/12.2541326
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15362
dc.language.isoenen_UK
dc.publisherSPIEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectPolymer optical fibreen_UK
dc.subjectGeotechnical monitoringen_UK
dc.subjectOptical fibre Bragg gratingen_UK
dc.subjectFBGen_UK
dc.subjectSoilen_UK
dc.titleGround-water monitoring using polymer optical fibre Bragg gratingsen_UK
dc.typeConference paperen_UK

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