Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6512
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dc.contributorDepartment of Electrical Engineering-
dc.creatorYu, HB-
dc.creatorJin, W-
dc.creatorHo, HL-
dc.creatorChan, KC-
dc.creatorChan, CC-
dc.creatorDemokan, S-
dc.creatorStewart, G-
dc.creatorCulshaw, B-
dc.creatorLiao, YB-
dc.date.accessioned2014-12-11T08:25:11Z-
dc.date.available2014-12-11T08:25:11Z-
dc.identifier.issn0003-6935-
dc.identifier.urihttp://hdl.handle.net/10397/6512-
dc.language.isoenen_US
dc.publisherOptical Society of Americaen_US
dc.rights© 2001 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-40-7-1011. 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.subjectChemical sensorsen_US
dc.subjectComputer simulationen_US
dc.subjectCrosstalken_US
dc.subjectFrequency modulationen_US
dc.subjectLow pass filtersen_US
dc.subjectMultiplexingen_US
dc.titleMultiplexing of optical fiber gas sensors with a frequency-modulated continuous-wave techniqueen_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: W. Jinen_US
dc.description.otherinformationAuthor name used in this publication: H. L. Hoen_US
dc.description.otherinformationAuthor name used in this publicaiton: M. S. Demokanen_US
dc.identifier.spage1011-
dc.identifier.epage1020-
dc.identifier.volume40-
dc.identifier.issue7-
dc.identifier.doi10.1364/AO.40.001011-
dcterms.abstractWe report on the use of a frequency-modulated continuous-wave technique for multiplexing optical fiber gas sensors. The sensor network is of a ladder topology and is interrogated by a tunable laser. The system performance in terms of detection sensitivity and cross talk between sensors was investigated and found to be limited by coherent mixing between signals from different channels. The system performance can be improved significantly by use of appropriate wavelength modulation–scanning coupled with low-pass filtering. Computer simulation shows that an array of 37 acetylene sensors with a detection accuracy of 2000 parts in 10⁶ for each sensor may be realized. A two-sensor acetylene detection system was experimentally demonstrated that had a detection sensitivity of 165 parts in 10⁶ for 2.5-cm gas cells (or a minimum detectable absorbance of 2.1 × 10⁻⁴) and a cross talk of −25 dB.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationApplied optics, 1 Mar. 2001, v. 40, no. 7, p. 1011-1020-
dcterms.isPartOfApplied optics-
dcterms.issued2001-03-01-
dc.identifier.isiWOS:000167112900001-
dc.identifier.scopus2-s2.0-0037826914-
dc.identifier.rosgroupidr03184-
dc.description.ros2000-2001 > 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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