Mid-Infrared Trace Gas Sensor Technology Based on Intracavity Quartz-Enhanced Photoacoustic Spectroscopy

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dc.citation.articleNumber513
dc.citation.issueNumber3
dc.citation.journalTitleSensors
dc.citation.volumeNumber17
dc.contributor.authorWojtas, Jacek
dc.contributor.authorGluszek, Aleksander
dc.contributor.authorHudzikowski, Arkadiusz
dc.contributor.authorTittel, Frank K.
dc.date.accessioned2017-03-07T18:24:16Z
dc.date.available2017-03-07T18:24:16Z
dc.date.issued2017
dc.description.abstractThe application of compact inexpensive trace gas sensor technology to a mid-infrared nitric oxide (NO) detectoion using intracavity quartz-enhanced photoacoustic spectroscopy (I-QEPAS) is reported. A minimum detection limit of 4.8 ppbv within a 30 ms integration time was demonstrated by using a room-temperature, continuous-wave, distributed-feedback quantum cascade laser (QCL) emitting at 5.263 µm (1900.08 cm−1) and a new compact design of a high-finesse bow-tie optical cavity with an integrated resonant quartz tuning fork (QTF). The optimum configuration of the bow-tie cavity was simulated using custom software. Measurements were performed with a wavelength modulation scheme (WM) using a 2f detection procedure.
dc.identifier.citationWojtas, Jacek, Gluszek, Aleksander, Hudzikowski, Arkadiusz, et al.. "Mid-Infrared Trace Gas Sensor Technology Based on Intracavity Quartz-Enhanced Photoacoustic Spectroscopy." <i>Sensors,</i> 17, no. 3 (2017) MDPI: http://dx.doi.org/10.3390/s17030513.
dc.identifier.doihttp://dx.doi.org/10.3390/s17030513
dc.identifier.urihttps://hdl.handle.net/1911/94032
dc.language.isoeng
dc.publisherMDPI
dc.rightsThis is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.keywordlaser absorption spectroscopy
dc.subject.keywordbow-tie cavity
dc.subject.keywordI-QEPAS
dc.subject.keywordintracavity quartz-enhanced photoacoustic spectroscopy
dc.subject.keywordmid-infrared trace gas sensors
dc.titleMid-Infrared Trace Gas Sensor Technology Based on Intracavity Quartz-Enhanced Photoacoustic Spectroscopy
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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