dc.contributor.authorZhang, Hailiang
dc.contributor.authorWu, Zhifang
dc.contributor.authorShum, Perry Ping
dc.contributor.authorDinh, Xuan Quyen
dc.contributor.authorLow, Chun Wah
dc.contributor.authorXu, Zhilin
dc.contributor.authorWang, Ruoxu
dc.contributor.authorShao, Xuguang
dc.contributor.authorFu, Songnian
dc.contributor.authorTong, Weijun
dc.contributor.authorTang, Ming
dc.date.accessioned2017-06-12T05:39:06Z
dc.date.available2017-06-12T05:39:06Z
dc.date.issued2017
dc.identifier.citationZhang, H., Wu, Z., Shum, P. P., Dinh, X. Q., Low, C. W., Xu, Z., et al. (2017). Highly sensitive strain sensor based on helical structure combined with Mach-Zehnder interferometer in multicore fiber. Scientific Reports, 7, 46633-.en_US
dc.identifier.issn2045-2322en_US
dc.identifier.urihttp://hdl.handle.net/10220/42656
dc.description.abstractOptical fiber sensors for strain measurement have been playing important roles in structural health monitoring for buildings, tunnels, pipelines, aircrafts, and so on. A highly sensitive strain sensor based on helical structures (HSs) assisted Mach-Zehnder interference in an all-solid heterogeneous multicore fiber (MCF) is proposed and experimentally demonstrated. Due to the HSs, a maximum strain sensitivity as high as −61.8 pm/με was experimentally achieved. This is the highest sensitivity among interferometer-based strain sensors reported so far, to the best of our knowledge. Moreover, the proposed sensor has the ability to discriminate axial strain and temperature, and offers several advantages such as repeatability of fabrication, robust structure and compact size, which further benefits its practical sensing applications.en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.format.extent10 p.en_US
dc.language.isoenen_US
dc.relation.ispartofseriesScientific Reportsen_US
dc.rights© 2017 The Author(s) (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/en_US
dc.subjectImaging and sensingen_US
dc.subjectOptical sensorsen_US
dc.titleHighly sensitive strain sensor based on helical structure combined with Mach-Zehnder interferometer in multicore fiberen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doihttp://dx.doi.org/10.1038/srep46633
dc.description.versionPublished versionen_US


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