Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4562
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dc.contributorDepartment of Electrical Engineering-
dc.creatorLi, Y-
dc.creatorLiao, C-
dc.creatorWang, D-
dc.creatorSun, T-
dc.creatorGrattan, KTV-
dc.date.accessioned2014-12-11T08:24:26Z-
dc.date.available2014-12-11T08:24:26Z-
dc.identifier.urihttp://hdl.handle.net/10397/4562-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2008 Optical Society of America. This paper was published in Optics Express 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/oe/abstract.cfm?URI=oe-16-26-21239. 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.subjectAnnealingen_US
dc.subjectFiber optic componentsen_US
dc.subjectFiber optic sensorsen_US
dc.subjectFibersen_US
dc.subjectHigh temperature applicationsen_US
dc.subjectLaser beamsen_US
dc.subjectLaser pulsesen_US
dc.subjectPulsed laser applicationsen_US
dc.subjectTemperature measurementen_US
dc.subjectThermodynamic stabilityen_US
dc.subjectUltrashort pulsesen_US
dc.titleStudy of spectral and annealing properties of fiber Bragg gratings written in H₂-free and H₂- loaded fibers by use of femtosecond laser pulsesen_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.description.otherinformationAuthor name used in this publication: T. Sunen_US
dc.description.otherinformationAuthor name used in this publication: K. T. V. Grattanen_US
dc.identifier.spage21239-
dc.identifier.epage21247-
dc.identifier.volume16-
dc.identifier.issue26-
dc.identifier.doi10.1364/OE.16.021239-
dcterms.abstractThe spectral and annealing properties of a series of fiber Bragg gratings (FBGs) written in both H₂-loaded and H₂-free fibers by use of 800nm femtosecond laser pulse irradiation and created through a phase mask, have been investigated. It is found that type II FBGs inscribed in H₂-loaded fibers exhibit superior spectral quality when compared with those written in H₂-free fibers. Isochronal annealing tests shows that type II FBGs written in H₂-free fibers have the highest thermal stability, followed (in order of stability) by H₂-loaded type II, H₂-free type I and then H₂-loaded type I FBGs. The thermal stability of the H₂-loaded type II FBGs can effectively be increased by using a high temperature pre-annealing treatment. After the treatment, type II FBGs written into both H₂-free and H₂-loaded fibers can sustain long-term annealing (for more than 12 hours) at temperatures of more than 1000°C while their high reflectivities can still be maintained. This demonstrates the real potential of the FBGs developed and investigated in this work to be used as the ideal sensing elements for a series of high temperature measurement applications.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptics express, 22 Dec. 2008, v. 16, no. 26, p. 21239-21247-
dcterms.isPartOfOptics express-
dcterms.issued2008-12-22-
dc.identifier.isiWOS:000262200700010-
dc.identifier.scopus2-s2.0-58149116824-
dc.identifier.eissn1094-4087-
dc.identifier.rosgroupidr43763-
dc.description.ros2008-2009 > 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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