Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/100589
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dc.contributorDepartment of Electrical and Electronic Engineering-
dc.contributorMainland Development Office-
dc.creatorLin, Yen_US
dc.creatorJin, Wen_US
dc.creatorYang, Fen_US
dc.creatorTan, Yen_US
dc.creatorHo, HLen_US
dc.date.accessioned2023-08-11T03:10:50Z-
dc.date.available2023-08-11T03:10:50Z-
dc.identifier.issn0146-9592en_US
dc.identifier.urihttp://hdl.handle.net/10397/100589-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2017 Optical Society of Americaen_US
dc.rights© 2017 Optica Publishing Group. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.en_US
dc.rightsThe following publication Yuechuan Lin, Wei Jin, Fan Yang, Yanzhen Tan, and Hoi Lut Ho, "Performance optimization of hollow-core fiber photothermal gas sensors," Opt. Lett. 42, 4712-4715 (2017) is available at https://doi.org/10.1364/OL.42.004712.en_US
dc.titlePerformance optimization of hollow-core fiber photothermal gas sensorsen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage4712en_US
dc.identifier.epage4715en_US
dc.identifier.volume42en_US
dc.identifier.issue22en_US
dc.identifier.doi10.1364/OL.42.004712en_US
dcterms.abstractWe report performance optimization of hollow-core photonic bandgap fiber (HC-PBF) photothermal (PT) gas sensors. The PT phase modulation efficiency of a C2H2 filled HC-PBF (HC-1550-02) is found independent of the pump modulation frequency for up to ∼330 kHz, but starts to drop quickly to 10% of the maximum value at a couple of megahertz. With a 1.1 m long HC-PBF gas cell with angle-cleaved single-mode fiber/HC-PBF joints to reduce reflection and a modified 3 × 3 Sagnac interferometer with balanced detection for phase demodulation, a noise equivalent concentration of ∼67 ppb C2H2 is achieved with a 1 s time constant, and it goes down to ∼18 ppb with 145 s integration time. The system has good long-term stability and exhibits signal fluctuations of <1% over a ∼5 h period.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationOptics letters, 15 Nov. 2017, v. 42, no. 22, p. 4712-4715en_US
dcterms.isPartOfOptics lettersen_US
dcterms.issued2017-11-15-
dc.identifier.scopus2-s2.0-85033785527-
dc.identifier.pmid29140350-
dc.identifier.eissn1539-4794en_US
dc.description.validate202307 bckw-
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumberEE-0456-
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.OPUS6797409-
dc.description.oaCategoryGreen (AAM)en_US
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