Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6535
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dc.contributorDepartment of Electrical Engineering-
dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorChilds, P-
dc.creatorWong, ACL-
dc.creatorFu, HY-
dc.creatorLiao, YB-
dc.creatorTam, HY-
dc.creatorLu, C-
dc.creatorWai, PKA-
dc.date.accessioned2014-12-11T08:24:53Z-
dc.date.available2014-12-11T08:24:53Z-
dc.identifier.issn1559-128X-
dc.identifier.urihttp://hdl.handle.net/10397/6535-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2010 Optical Society of America. This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-36-6861. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.en_US
dc.subjectBirefringenceen_US
dc.subjectCrystal whiskersen_US
dc.subjectFourier analysisen_US
dc.subjectHydraulicsen_US
dc.subjectHydrodynamicsen_US
dc.subjectHydrostatic pressureen_US
dc.subjectPhotonic crystal fibersen_US
dc.subjectPhotonic crystalsen_US
dc.titleFourier analysis for hydrostatic pressure sensing in a polarization-maintaining photonic crystal fiberen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: Yanbiao Liaoen_US
dc.description.otherinformationAuthor name used in this publication: Hwayaw Tamen_US
dc.description.otherinformationAuthro name used in this publication: P. K. A. Waien_US
dc.identifier.spage6861-
dc.identifier.epage6867-
dc.identifier.volume49-
dc.identifier.issue36-
dc.identifier.doi10.1364/AO.49.006861-
dcterms.abstractWe measured the hydrostatic pressure dependence of the birefringence and birefringent dispersion of a Sagnac interferometric sensor incorporating a length of highly birefringent photonic crystal fiber using Fourier analysis. Sensitivity of both the phase and chirp spectra to hydrostatic pressure is demonstrated. Using this analysis, phase-based measurements showed a good linearity with an effective sensitivity of 9:45 nm/MPa and an accuracy of ±7:8 kPa using wavelength-encoded data and an effective sensitivity of -55:7cm⁻¹/MPa and an accuracy of ±4:4 k Pa using wavenumber-encoded data. Chirp-based measurements, though nonlinear in response, showed an improvement in accuracy at certain pressure ranges with an accuracy of ±5:5 kPa for the full range of measured pressures using wavelength-encoded data and dropping to within ±2:5 kPa in the range of 0.17 to 0:4 MPa using wavenumber-encoded data. Improvements of the accuracy demonstrated the usefulness of implementing chirp-based analysis for sensing purposes.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationApplied optics, 20 Dec. 2010, v. 49, no. 36, p. 6861-6867-
dcterms.isPartOfApplied optics-
dcterms.issued2010-12-20-
dc.identifier.isiWOS:000285499500007-
dc.identifier.scopus2-s2.0-78650645124-
dc.identifier.eissn2155-3165-
dc.identifier.rosgroupidr55034-
dc.description.ros2010-2011 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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