Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145848
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dc.contributor.authorQi, Miaoen_US
dc.contributor.authorZhang, Nancy Meng Yingen_US
dc.contributor.authorLi, Kaiweien_US
dc.contributor.authorTjin, Swee Chuanen_US
dc.contributor.authorWei, Leien_US
dc.date.accessioned2021-01-11T09:25:24Z-
dc.date.available2021-01-11T09:25:24Z-
dc.date.issued2020-
dc.identifier.citationQi, M., Zhang, N. M. Y., Li, K., Tjin, S. C., & Wei, L. (2020). Hybrid plasmonic fiber-optic sensors. Sensors, 20(11), 3266-. doi:10.3390/s20113266en_US
dc.identifier.issn1424-8220en_US
dc.identifier.urihttps://hdl.handle.net/10356/145848-
dc.description.abstractWith the increasing demand of achieving comprehensive perception in every aspect of life, optical fibers have shown great potential in various applications due to their highly-sensitive, highly-integrated, flexible and real-time sensing capabilities. Among various sensing mechanisms, plasmonics based fiber-optic sensors provide remarkable sensitivity benefiting from their outstanding plasmon-matter interaction. Therefore, surface plasmon resonance (SPR) and localized SPR (LSPR)-based hybrid fiber-optic sensors have captured intensive research attention. Conventionally, SPR- or LSPR-based hybrid fiber-optic sensors rely on the resonant electron oscillations of thin metallic films or metallic nanoparticles functionalized on fiber surfaces. Coupled with the new advances in functional nanomaterials as well as fiber structure design and fabrication in recent years, new solutions continue to emerge to further improve the fiber-optic plasmonic sensors' performances in terms of sensitivity, specificity and biocompatibility. For instance, 2D materials like graphene can enhance the surface plasmon intensity at the metallic film surface due to the plasmon-matter interaction. Two-dimensional (2D) morphology of transition metal oxides can be doped with abundant free electrons to facilitate intrinsic plasmonics in visible or near-infrared frequencies, realizing exceptional field confinement and high sensitivity detection of analyte molecules. Gold nanoparticles capped with macrocyclic supramolecules show excellent selectivity to target biomolecules and ultralow limits of detection. Moreover, specially designed microstructured optical fibers are able to achieve high birefringence that can suppress the output inaccuracy induced by polarization crosstalk and meanwhile deliver promising sensitivity. This review aims to reveal and explore the frontiers of such hybrid plasmonic fiber-optic platforms in various sensing applications.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.language.isoenen_US
dc.relationMOE2019-T2-2-127en_US
dc.relationMOE2019-T1-001-103en_US
dc.relationNRF-CRP18-2017-02en_US
dc.relationMOE2019-T1-001-111en_US
dc.relation.ispartofSensorsen_US
dc.rights© 2020 The Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleHybrid plasmonic fiber-optic sensorsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.researchThe Photonics Instituteen_US
dc.identifier.doi10.3390/s20113266-
dc.description.versionPublished versionen_US
dc.identifier.pmid32521770-
dc.identifier.scopus2-s2.0-85086242632-
dc.identifier.issue11en_US
dc.identifier.volume20en_US
dc.subject.keywordsOptical Fibersen_US
dc.subject.keywordsHybrid Plasmonic Sensorsen_US
dc.description.acknowledgementThis work was supported in part by the Singapore Ministry of Education Academic Research Fund Tier 2 (MOE2019-T2-2-127), the Singapore Ministry of Education Academic Research Fund Tier 1 (MOE2019-T1-001-103 and MOE2019-T1-001-111) and the Singapore National Research Foundation Competitive Research Program (NRF-CRP18-2017-02). This work was also supported in part by Nanyang Technological Universityen_US
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