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dc.contributor.authorZhang, Hailiangen
dc.contributor.authorWu, Zhifangen
dc.contributor.authorShum, Perry Pingen
dc.contributor.authorShao, Xuguangen
dc.contributor.authorWang, Ruoxuen
dc.contributor.authorDinh, Xuan Quyenen
dc.contributor.authorFu, Songnianen
dc.contributor.authorTong, Weijunen
dc.contributor.authorTang, Mingen
dc.identifier.citationZhang, H., Wu, Z., Shum, P. P., Shao, X., Wang, R., Dinh, X. Q., . . . Tang, M. (2018). Directional torsion and temperature discrimination based on a multicore fiber with a helical structure. Optics Express, 26(1), 544-. doi:10.1364/OE.26.000544en
dc.description.abstractWe propose and experimentally demonstrate a directional torsion sensor based on a Mach-Zehnder interferometer formed in a multicore fiber (MCF) with a ~570-μm-long helical structure (HS). The HS was fabricated into the MCF by simply pre-twisting and then heating with a CO2 laser splicing system. This device shows the capability of directional torsion measurement from −17.094 rad/m to 15.669 rad/m with the sensitivity of ~0.118 nm/(rad/m). Moreover, since the multiple interferences respond differently to torsion and temperature simultaneously, the temperature cross-sensitivity of the proposed sensor can be eliminated effectively. Besides, the sensor owns other merits such as easy fabrication and good mechanical robustness.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent8 p.en
dc.relation.ispartofseriesOptics Expressen
dc.rights© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.en
dc.subjectMicrostructured Fibersen
dc.subjectFiber Optics Sensorsen
dc.subjectDRNTU::Engineering::Electrical and electronic engineeringen
dc.titleDirectional torsion and temperature discrimination based on a multicore fiber with a helical structureen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.researchCentre for Optical Fibre Technologyen
dc.description.versionPublished versionen
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