Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/146250
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dc.contributor.authorMadan, Aayushen_US
dc.contributor.authorYap, Stephanie Hui Kiten_US
dc.contributor.authorPaulose, Vargheseen_US
dc.contributor.authorChang, Wonkeunen_US
dc.contributor.authorShum, Perry Pingen_US
dc.contributor.authorHao, Jianzhongen_US
dc.date.accessioned2021-02-04T03:42:11Z-
dc.date.available2021-02-04T03:42:11Z-
dc.date.issued2020-
dc.identifier.citationMadan, A., Yap, S. H. K., Paulose, V., Chang, W., Shum, P. P., & Hao, J. (2020). Investigation of a Bragg Grating-Based Fabry–Perot Structure Inscribed Using Femtosecond Laser Micromachining in an Adiabatic Fiber Taper. Applied Sciences, 10(3), 1069-. doi:10.3390/app10031069en_US
dc.identifier.issn2076-3417en_US
dc.identifier.other0000-0002-2847-9936-
dc.identifier.other0000-0002-9514-5194-
dc.identifier.urihttps://hdl.handle.net/10356/146250-
dc.description.abstractThis paper presents the fabrication of a fiber Bragg grating (FBG)-based Fabry-Perot (FP) structure (7 mm total length) in an adiabatic fiber taper, investigates its strain and temperature characteristics, and compares the sensing characteristics with a standard polyimide coated FBG sensor. Firstly, a simulation of the said structure is presented, followed by the fabrication of an adiabatic fiber taper having the outer diameter reduced to 70 μm (core diameter to 4.7 μm). Next, the sensing structure, composed of two identical uniform FBG spaced apart by a small gap, is directly inscribed point-by-point using infrared femtosecond laser (fs-laser) micromachining. Lastly, the strain and temperature behavior for a range up to 3400 με and 225 °C, respectively, are investigated for the fabricated sensor and the FBG, and compared. The fabricated sensor attains a higher strain sensitivity (2.32 pm/με) than the FBG (0.73 pm/με), while both the sensors experience similar sensitivity to temperature (8.85 pm/°C). The potential applications of such sensors include continuous health monitoring where precise strain detection is required.en_US
dc.language.isoenen_US
dc.relation.ispartofApplied Sciencesen_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.titleInvestigation of a Bragg grating-based Fabry-Perot structure inscribed using femtosecond laser micromachining in an adiabatic fiber taperen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.organizationInstitute for Infocomm Research, A*STARen_US
dc.identifier.doi10.3390/app10031069-
dc.description.versionPublished versionen_US
dc.identifier.scopus2-s2.0-85081537725-
dc.identifier.issue3en_US
dc.identifier.volume10en_US
dc.subject.keywordsFabry–Peroten_US
dc.subject.keywordsMicrofiber Sensor Structureen_US
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