Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/100525
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dc.contributorDepartment of Electrical and Electronic Engineering-
dc.contributorMainland Development Office-
dc.creatorTan, Yen_US
dc.creatorJin, Wen_US
dc.creatorYang, Fen_US
dc.creatorJiang, Yen_US
dc.creatorHo, HLen_US
dc.date.accessioned2023-08-11T03:10:04Z-
dc.date.available2023-08-11T03:10:04Z-
dc.identifier.issn0733-8724en_US
dc.identifier.urihttp://hdl.handle.net/10397/100525-
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.rights©2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.en_US
dc.rightsThe following publication Y. Tan, W. Jin, F. Yang, Y. Jiang and H. L. Ho, "Cavity-Enhanced Photothermal Gas Detection With a Hollow Fiber Fabry-Perot Absorption Cell," in Journal of Lightwave Technology, vol. 37, no. 17, pp. 4222-4228, 1 Sept., 2019 is available at https://doi.org/10.1109/JLT.2019.2922001.en_US
dc.subjectCavity enhancementen_US
dc.subjectGas sensoren_US
dc.subjectOptical fiber sensoren_US
dc.subjectPhotonic crystal fiberen_US
dc.subjectPhotothermal interferometryen_US
dc.titleCavity-enhanced photothermal gas detection with a hollow fiber Fabry-Perot absorption cellen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage4222en_US
dc.identifier.epage4228en_US
dc.identifier.volume37en_US
dc.identifier.issue17en_US
dc.identifier.doi10.1109/JLT.2019.2922001en_US
dcterms.abstractA photothermal (PT) gas sensor with a hollow-core photonic bandgap fiber (HC-PBF) Fabry-Perot absorption cell is demonstrated. The formation of a high finesse cavity enhances the pump intensity and hence PT phase modulation as well as the sensitivity of PT phase detection by a factor that is proportional to the cavity finesse. Experiments with a 6.2-cm long HC-PBF absorption cell with a finesse of 45 for the pump and 41 for the probe demonstrated detection of 100 part-per-million acetylene in nitrogen with a signal-to-noise ratio of 795 for a detection bandwidth of 0.031 Hz. The double-cavity-enhanced PT gas sensor allows the use of a shorter HC-PBF to develop highly sensitive and fast all-fiber gas sensors.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationJournal of lightwave technology, 1 Sept. 2019, v. 37, no. 17, p. 4222-4228en_US
dcterms.isPartOfJournal of lightwave technologyen_US
dcterms.issued2019-09-01-
dc.identifier.scopus2-s2.0-85070600614-
dc.identifier.eissn1558-2213en_US
dc.description.validate202308 bckw-
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumberEE-0183-
dc.description.fundingSourceRGCen_US
dc.description.fundingSourceOthersen_US
dc.description.fundingTextNational Natural Science Foundation of China; The Hong Kong Polytechnic Universityen_US
dc.description.pubStatusPublisheden_US
dc.identifier.OPUS53862091-
dc.description.oaCategoryGreen (AAM)en_US
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