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https://hdl.handle.net/2440/119492
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dc.contributor.author | Chen, G.Y. | - |
dc.contributor.author | Wu, X. | - |
dc.contributor.author | Schartner, E.P. | - |
dc.contributor.author | Shahnia, S. | - |
dc.contributor.author | Hebert, N.B. | - |
dc.contributor.author | Yu, L. | - |
dc.contributor.author | Liu, X. | - |
dc.contributor.author | Shahraam, A.V. | - |
dc.contributor.author | Newson, T.P. | - |
dc.contributor.author | Ebendorff-Heidepriem, H. | - |
dc.contributor.author | Xu, H. | - |
dc.contributor.author | Lancaster, D.G. | - |
dc.contributor.author | Monro, T.M. | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Journal of Lightwave Technology, 2019; 37(9):2014-2022 | - |
dc.identifier.issn | 0733-8724 | - |
dc.identifier.issn | 1558-2213 | - |
dc.identifier.uri | http://hdl.handle.net/2440/119492 | - |
dc.description.abstract | Existing sensing technologies lack the ability to spatially resolve multiple sources of water or humidity without relying on the deployment of numerous inline sensors. A fully distributed approach has the potential to unlock a diverse range of applications, such as humidity mapping and liquid-depth measurements. We have explored a new direction toward what is, to the best of our knowledge, the first non-bending fully distributed water/humidity sensors. This new class of sensors was made possible from the first combination of small-core exposed-core fiber, a hydrophilic polyelectrolyte multilayer coating, and coherent optical frequency-domain reflectometry. Their non-bending nature enables deployment in a wider range of environments compared to the bending type based on water-induced fiber bending. The sensing mechanism involves monitoring back-reflected optical signals created by changes in the local reflectivity due to water-induced reduction in the local refractive-index of the coating. The demonstrated average sensitivity of the sensing fiber with 10.0 bilayer polyelectrolyte multilayer coating to relative humidity varies from 0.060 to 0.001/%RH (0-38 cm distance) within a dynamic range of 26-95%RH. The distance-dependent detection limit varies between 0.3-10.0%RH (0-38 cm distance), and the spatial resolution of 4.6 mm is the smallest demonstrated for exposed-core fibers and can be vastly improved by simply broadening the swept range. The response time is 4-6 s, and the recovery time is 3-5 s. The sensing range (i.e., distance) is -0.5 m, which is more suitable for water-depth monitoring. | - |
dc.description.statementofresponsibility | George Y. Chen, Xuan Wu, Erik P. Schartner, Soroush Shahnia, Nicolas Bourbeau Hébert, Li Yu, Xiaokong Liu, Shahraam Afshar V., Trevor P. Newson, Heike Ebendorff-Heidepriem, Haolan Xu, David G. Lancaster, and Tanya M. Monro | - |
dc.language.iso | EN | - |
dc.publisher | IEEE | - |
dc.rights | © 2019 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications standards/publications/rights/index.html for more information. | - |
dc.source.uri | http://dx.doi.org/10.1109/jlt.2019.2897346 | - |
dc.subject | Distributed; exposed core; frequency; humidity; hygrometer; OFDR; optical fiber; polyelectrolyte coating; reflectometry; sensor; water | - |
dc.title | Short-range non-bending fully distributed water/humidity sensors | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1109/JLT.2019.2897346 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/CE140100003 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/LP150100657 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Schartner, E.P. [0000-0003-1669-4302] | - |
dc.identifier.orcid | Hebert, N.B. [0000-0002-6168-8510] | - |
dc.identifier.orcid | Ebendorff-Heidepriem, H. [0000-0002-4877-7770] | - |
Appears in Collections: | Aurora harvest 4 IPAS publications |
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