dc.contributor.authorZhang, Peng
dc.contributor.authorTang, Ming
dc.contributor.authorGao, Feng
dc.contributor.authorZhu, Benpeng
dc.contributor.authorFu, Songnian
dc.contributor.authorOuyang, Jun
dc.contributor.authorShum, Perry Ping
dc.contributor.authorLiu, Deming
dc.date.accessioned2014-09-12T07:51:52Z
dc.date.available2014-09-12T07:51:52Z
dc.date.copyright2014en_US
dc.date.issued2014
dc.identifier.citationZhang, P., Tang, M., Gao, F., Zhu, B., Fu, S., Ouyang, J., et al. (2014). Cascaded fiber-optic Fabry-Perot interferometers with Vernier effect for highly sensitive measurement of axial strain and magnetic field. Optics express, 22(16), 19581-19588.en_US
dc.identifier.issn1094-4087en_US
dc.identifier.urihttp://hdl.handle.net/10220/20664
dc.description.abstractWe report a highly sensitive fiber-optic sensor based on two cascaded intrinsic fiber Fabry-Perot interferometers (IFFPIs). The cascaded IFFPIs have different free spectral ranges (FSRs) and are formed by a short section of hollow core photonic crystal fiber sandwiched by two single mode fibers. With the superposition of reflective spectrum with different FSRs, the Vernier effect will be generated in the proposed sensor and we found that the strain sensitivity of the proposed sensor can be improved from 1.6 pm/με for a single IFFPI sensor to 47.14 pm/με by employing the Vernier effect. The sensor embed with a metglas ribbon can be also used to measure the magnetic field according to the similar principle. The sensitivity of the magnetic field measurement is achieved to be 71.57 pm/Oe that is significantly larger than the 2.5 pm/Oe for a single IFFPI sensor.en_US
dc.language.isoenen_US
dc.relation.ispartofseriesOptics expressen_US
dc.rights© 2014 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: http://dx.doi.org/10.1364/OE.22.019581.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineering
dc.titleCascaded fiber-optic Fabry-Perot interferometers with Vernier effect for highly sensitive measurement of axial strain and magnetic fielden_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doihttp://dx.doi.org/10.1364/OE.22.019581
dc.description.versionPublished versionen_US


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