Analysis of overtone flexural modes operation in quartz-enhanced photoacoustic spectroscopy

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dc.citation.firstpageA682en_US
dc.citation.issueNumber6en_US
dc.citation.journalTitleOptics Expressen_US
dc.citation.lastpageA692en_US
dc.citation.volumeNumber24en_US
dc.contributor.authorTittel, Frank K.en_US
dc.contributor.authorSampaolo, Angeloen_US
dc.contributor.authorPatimisco, Pietroen_US
dc.contributor.authorDong, Leien_US
dc.contributor.authorGeras, Antoninaen_US
dc.contributor.authorStarecki, Tomaszen_US
dc.contributor.authorSpagnolo, Vincenzoen_US
dc.date.accessioned2016-06-06T16:48:22Zen_US
dc.date.available2016-06-06T16:48:22Zen_US
dc.date.issued2016en_US
dc.description.abstractA detailed investigation of a set of custom quartz tuning forks (QTFs), operating in the fundamental and first overtone flexural modes is reported. Support losses are the dominant energy dissipation processes when the QTFs vibrate at the first overtone mode. These losses can be decreased by increasing the ratio between the prong length and its thickness. The QTFs were implemented in a quartz enhanced photoacoustic spectroscopy (QEPAS) based sensor operating in the near-IR spectral range and water vapor was selected as the gas target. QTF flexural modes having the highest quality factor exhibit the largest QEPAS signal, demonstrating that, by optimizing the QTF prongs sizes, overtone modes can provide a higher QEPAS sensor performance with respect to using the fundamental mode.en_US
dc.identifier.citationTittel, Frank K., Sampaolo, Angelo, Patimisco, Pietro, et al.. "Analysis of overtone flexural modes operation in quartz-enhanced photoacoustic spectroscopy." <i>Optics Express,</i> 24, no. 6 (2016) The Optical Society: A682-A692. http://dx.doi.org/10.1364/OE.24.00A682.en_US
dc.identifier.doihttp://dx.doi.org/10.1364/OE.24.00A682en_US
dc.identifier.urihttps://hdl.handle.net/1911/90450en_US
dc.language.isoengen_US
dc.publisherThe Optical Societyen_US
dc.rightsArticle is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.en_US
dc.titleAnalysis of overtone flexural modes operation in quartz-enhanced photoacoustic spectroscopyen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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