Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7103
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dc.contributorDepartment of Electrical Engineering-
dc.creatorWang, Y-
dc.creatorLiao, C-
dc.creatorWang, D-
dc.date.accessioned2014-12-11T08:29:23Z-
dc.date.available2014-12-11T08:29:23Z-
dc.identifier.issn0146-9592-
dc.identifier.urihttp://hdl.handle.net/10397/7103-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2012 Optical Society of Americaen_US
dc.rightsThis paper was published in Optics Letters 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/ol/abstract.cfm?URI=ol-37-22-4747. 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.subjectGuided wavesen_US
dc.subjectMicro-optical devicesen_US
dc.subjectFiber optics sensorsen_US
dc.titleEmbedded coupler based on selectively infiltrated photonic crystal fiber for strain measurementen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: C. R. Liaoen_US
dc.description.otherinformationAuthor name used in this publication: D. N. Wangen_US
dc.identifier.spage4747-
dc.identifier.epage4749-
dc.identifier.volume37-
dc.identifier.issue22-
dc.identifier.doi10.1364/OL.37.004747-
dcterms.abstractA photonic crystal fiber (PCF) with embedded coupler is demonstrated for strain measurement. The embedded coupler is constructed by the selective filling of one of the air holes in the PCF. Light propagated in the fiber core can be efficiently coupled to the liquid-filled rod waveguide under phase-matching conditions, resulting in sharp decreasing of resonant wavelength intensity. The highest strain sensitivity is calculated to be ∼23.8  pm/με due to the coupling between core mode and fundamental mode of the liquid rod, when the refractive index (RI) of the liquid is 1.46. With the increase of the RI, the resonance can also be observed between the core mode and the higher-order modes of the liquid rod, whereas the strain sensitivity drops to ∼6.4  pm/με . The experimentally obtained static strain sensitivity values are ∼22 and ∼3.8  pm/με for the coupling between the core mode and the fundamental mode or linearly polarized LP₁₁ modes of the liquid rod, respectively, which are in good agreement with the simulations. The dynamic strain measurement resolution obtained is ∼1.2  nε/(Hz)¹/².-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptics letters, 15 Nov. 2012, v. 37, no. 22, p. 4747-4749-
dcterms.isPartOfOptics letters-
dcterms.issued2012-11-15-
dc.identifier.isiWOS:000311169800061-
dc.identifier.scopus2-s2.0-84869200764-
dc.identifier.eissn1539-4794-
dc.identifier.rosgroupidr65366-
dc.description.ros2012-2013 > 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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