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dc.contributor.authorJi, Wen Binen
dc.contributor.authorTjin, Swee Chuanen
dc.contributor.authorLin, Boen
dc.contributor.authorNg, Choong Lengen
dc.identifier.citationJi, W. B., Tjin, S. C., Lin, B., & Ng, C. L. (2013). Highly Sensitive Refractive Index Sensor Based on Adiabatically Tapered Microfiber Long Period Gratings. Sensors, 13(10), 14055-14063.en
dc.description.abstractWe demonstrate a refractive index sensor based on long period grating (LPG) inscribed in a special photosensitive microfiber with double-clad profile. The fiber is tapered gradual enough to ensure the adiabaticity of the fiber taper. In other words, the resulting insertion loss is sufficient small. The Boron and Germanium co-doped inner cladding makes it suitable for inscribing gratings into its tapered form. The manner of wavelength shift for refractive indices (RI) differs from conventional LPG. The detection limit for refractive index is 1.67 × 10−5.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent9 p.en
dc.rights© 2013 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (
dc.titleHighly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratingsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.organizationA*STAR Institute for Infocomm Researchen
dc.contributor.researchPhotonics Research Centreen
dc.description.versionPublished versionen
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