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A quantum cascade laser-based multi-gas sensor for ambient air monitoring

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dc.affiliation.dptoUC3M. Departamento de Tecnología Electrónicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Sensores y Técnicas de Instrumentaciónes
dc.contributor.authorGenner, Andreas
dc.contributor.authorMartín Mateos, Pedro
dc.contributor.authorMoser, Harald
dc.contributor.authorLendl, Bernhard
dc.date.accessioned2023-01-30T11:54:59Z
dc.date.available2023-01-30T11:54:59Z
dc.date.issued2020-04-01
dc.descriptionThis article belongs to the Special Issue Mid-Infrared Sensors Based On Semiconductor Lasers and Photonic Integrated Circuits (PICs).en
dc.description.abstractA quantum cascade laser-based sensor for ambient air monitoring is presented and five gases, a ecting the air quality, can be quantified. The light sources are selected to measure CO, NO, NO2, N2O and SO2. The footprint of the measurement setup is designed to fit in two standard 19" rack (48 cm x 65 cm) with 4 height units (18 cm) whereas one is holding the optical components and the other one contains the electronics and data processing unit. The concentrations of the individual analytes are measured using 2f-Wavelength Modulation Spectroscopy (2f-WMS) and a commercially available multipass gas cell defines the optical path. In addition, CO can also be measured with a dispersion-based technique, which allows one to cover a wider concentration range than 2f-WMS. The performance of this prototype has been evaluated in the lab and detection limits in the range of 1ppbv have been achieved. Finally, the applicability of this prototype for ambient air monitoring is shown in a five-week measurement campaign in cooperation with the Municipal Department for Environmental Protection (MA 22) of Vienna, Austria.en
dc.description.sponsorshipThe authors acknowledge TU Wien Bibliothek for financial support through its Open Access Funding Program.en
dc.format.extent13
dc.identifier.bibliographicCitationGenner, A., Martín-Mateos, P., Moser, H. & Lendl, B. (2020). A Quantum Cascade Laser-Based Multi-Gas Sensor for Ambient Air Monitoring. Sensors, 20(7), 1850.en
dc.identifier.doihttps://doi.org/10.3390/s20071850
dc.identifier.issn1424-3210
dc.identifier.publicationfirstpage1
dc.identifier.publicationissue7, 1850
dc.identifier.publicationlastpage13
dc.identifier.publicationtitleSensorsen
dc.identifier.publicationvolume20
dc.identifier.urihttps://hdl.handle.net/10016/36407
dc.identifier.uxxiAR/0000024956
dc.language.isoenges
dc.publisherMDPIen
dc.rights© 2020 by the authors.en
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaElectrónicaes
dc.subject.otherQuantum cascade laseren
dc.subject.otherInfrareden
dc.subject.otherAmbient airen
dc.subject.otherWavelength modulation spectroscopyen
dc.subject.otherHeterodyne phase sensitive dispersion spectroscopyen
dc.titleA quantum cascade laser-based multi-gas sensor for ambient air monitoringen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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