Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4330
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dc.contributorDepartment of Electrical Engineering-
dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorFu, HY-
dc.creatorWu, C-
dc.creatorTse, MLV-
dc.creatorZhang, L-
dc.creatorCheng, KCD-
dc.creatorTam, HY-
dc.creatorGuan, BO-
dc.creatorLu, C-
dc.date.accessioned2014-12-11T08:27:07Z-
dc.date.available2014-12-11T08:27:07Z-
dc.identifier.issn1559-128X-
dc.identifier.urihttp://hdl.handle.net/10397/4330-
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-49-14-2639. 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.subjectCrystal whiskersen_US
dc.subjectLinearizationen_US
dc.subjectNonlinear opticsen_US
dc.subjectPhotonic crystalsen_US
dc.subjectPressure measurementen_US
dc.subjectPressure sensorsen_US
dc.titleHigh pressure sensor based on photonic crystal fiber for downhole applicationen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: H. Y. Tamen_US
dc.identifier.spage2639-
dc.identifier.epage2643-
dc.identifier.volume49-
dc.identifier.issue14-
dc.identifier.doi10.1364/AO.49.002639-
dcterms.abstractWe demonstrate a polarization-maintaining (PM) photonic crystal fiber (PCF) based Sagnac interferometer for downhole high pressure sensing application. The PM PCF serves as a direct pressure sensing probe. The sensor is transducer free and thus fundamentally enhances its long-term sensing stability. In addition, the PM PCF can be coiled into a small diameter to fulfill the compact size requirement of downhole application. A theoretical study of its loss and birefringence changes with different coiling diameters has been carried out. This bend-insensitive property of the fiber provides ease for sensor design and benefits practical application. The pressure sensitivities of the proposed sensor are 4.21 and 3.24 nm/MPa at ∼1320  and ∼1550 nm, respectively. High pressure measurement up to 20 MPa was achieved with our experiment. It shows both good linearity in response to applied pressure and good repeatability within the entire measurement range. The proposed pressure sensor exhibits low temperature cross sensitivity and high temperature sustainability. It functions well without any measurable degradation effects on sensitivity or linearity at a temperature as high as 293 °C. These characteristics make it a potentially ideal candidate for downhole pressure sensing.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationApplied optics, 10 May 2010, v. 49, no. 14, p. 2639-2643-
dcterms.isPartOfApplied optics-
dcterms.issued2010-05-10-
dc.identifier.isiWOS:000277476800017-
dc.identifier.scopus2-s2.0-77955976718-
dc.identifier.eissn2155-3165-
dc.identifier.rosgroupidr47228-
dc.description.ros2009-2010 > 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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