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Simultaneous detection of multiple-gas species by correlation spectroscopy using a multimode diode laser
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
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2010 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 35, no 11, p. 1749-1751Article in journal (Refereed) Published
Abstract [en]

Simultaneous detection of multiple-gas species has for the first time (to our knowledge) been demonstrated by using a multimode diode-laser-based correlation spectroscopy (MDL-COSPEC) scheme. Concentration measurements of a mixture of CO2 and CO gas were performed by probing overlapping line spectra around 1.57 using an MDL. Species identification and corresponding quantitive analysis were implemented by correlating the recorded absorption signals of the sample gas mixtures with those of the reference gases of particular interest, attaining accuracies of 2% and 1%, respectively. MDL-COSPEC is a generic technique with potential application for simultaneous detection of multiple gases having resolvable narrow lines.

Place, publisher, year, edition, pages
2010. Vol. 35, no 11, p. 1749-1751
Keywords [en]
Absorption signals, Concentration Measurement, Correlation spectroscopy, Gas species, Line spectra, Multimode diode laser, Multimodes, Narrow lines, Potential applications, Quantitive, Simultaneous detection, Species identification, Gas fuel analysis, Gas mixtures, Gas absorption
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URN: urn:nbn:se:kth:diva-149628DOI: 10.1364/OL.35.001749ISI: 000278230400007Scopus ID: 2-s2.0-77954915068OAI: oai:DiVA.org:kth-149628DiVA, id: diva2:740863
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QC 20140826

Available from: 2014-08-26 Created: 2014-08-25 Last updated: 2017-12-05Bibliographically approved

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Somesfalean, Gabriel
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