Pure amplitude and wavelength modulation spectroscopy for detection of N2O using a three-sections quantum cascade laser

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dc.citation.articleNumber1011109en_US
dc.citation.journalTitleProceedings of SPIEen_US
dc.citation.volumeNumber10111en_US
dc.contributor.authorPatimisco, Pietroen_US
dc.contributor.authorSampaolo, Angeloen_US
dc.contributor.authorBidaux, Yvesen_US
dc.contributor.authorBismuto, Alfredoen_US
dc.contributor.authorScott, Marshallen_US
dc.contributor.authorJiang, Jamesen_US
dc.contributor.authorTittel, Frank K.en_US
dc.contributor.authorSpagnolo, Vincenzoen_US
dc.date.accessioned2017-02-08T16:34:32Zen_US
dc.date.available2017-02-08T16:34:32Zen_US
dc.date.issued2017en_US
dc.description.abstractWe report on a novel quantum cascade laser (QCL) capable of operating in pure amplitude or wavelength modulation configuration thereby allowing the acquisition of background-free gas absorption-line profiles using quartz-enhanced photoacoustic spectroscopy (QEPAS). The QCL is composed of three electrically independent sections: Gain, Phase (PS) and Master Oscillator (MO). The non-uniform pumping of these three QCL sections allows laser wavelength tuning with constant optical power and vice-versa. Pure QEPAS amplitude modulation operating conditions were obtained by modulating the PS current, while pure wavelength modulation was obtained by modulating the MO section and slowly scanning the PS current.en_US
dc.identifier.citationPatimisco, Pietro, Sampaolo, Angelo, Bidaux, Yves, et al.. "Pure amplitude and wavelength modulation spectroscopy for detection of N2O using a three-sections quantum cascade laser." <i>Proceedings of SPIE,</i> 10111, (2017) SPIE: http://dx.doi.org/10.1117/12.2252352.en_US
dc.identifier.doihttp://dx.doi.org/10.1117/12.2252352en_US
dc.identifier.urihttps://hdl.handle.net/1911/93858en_US
dc.language.isoengen_US
dc.publisherSPIEen_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.subject.keywordquartz tuning forken_US
dc.subject.keywordphotoacoustic spectroscopyen_US
dc.subject.keywordquantum cascade laseren_US
dc.subject.keywordgas sensingen_US
dc.titlePure amplitude and wavelength modulation spectroscopy for detection of N2O using a three-sections quantum cascade laseren_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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