Cavity ring-down spectroscopy instrumentation for airborne detection of nitrogen oxides

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dc.check.embargoformatEmbargo not applicable (If you have not submitted an e-thesis or do not want to request an embargo)en
dc.check.infoNot applicableen
dc.check.opt-outNot applicableen
dc.check.reasonNot applicableen
dc.check.typeNo Embargo Required
dc.contributor.advisorRuth, Albert A.en
dc.contributor.authorDubé, W. P.
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2018-08-01T12:22:30Z
dc.date.available2018-08-01T12:22:30Z
dc.date.issued2018
dc.date.submitted2018
dc.description.abstractPulsed laser cavity ring-down spectroscopy (CaRDS) is a highly sensitive method for direct absorption spectroscopy that has been applied to in-situ detection of NO3, N2O5, NO2, NO, and O3, as well as NOx and NOy in the atmosphere from a variety of airborne platforms. CaRDS instruments have traditionally been large and delicate laboratory instruments. The successful leap from laboratory instruments with high maintenance requirements to compact and rugged field instruments for airborne deployment was made possible through the extensive engineering work and new innovations presented in this thesis. The necessary improvements were mainly in the six following areas: 1) Instrument rack design and vibration isolation, 2) Automated aerosol filter changer, 3) Low loss inlet design and flow control, 4) Optical cage design, 5) Clamped/nudged mirror mount, and 6) Purge system improvements. The result was a series of compact, reliable, and rugged field instruments with high sensitivity and accuracy. The first airborne deployment was performed in 2004. The designs have been copied by several other research groups, and airborne measurements with CaRDS instruments are now considered routine.en
dc.description.statusNot peer revieweden
dc.description.versionAccepted Version
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDubé, W. P. 2018. Cavity ring-down spectroscopy instrumentation for airborne detection of nitrogen oxides. PhD Thesis, University College Cork.en
dc.identifier.endpage150en
dc.identifier.urihttps://hdl.handle.net/10468/6560
dc.language.isoenen
dc.publisherUniversity College Corken
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Strategic Partnership Programme/14/SPP/I3010/IE/A New Cavity Enhanced Trace Gas Absorption Detector for CARIBIC/en
dc.rights© 2018, William P. Dubé.en
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/en
dc.subjectCavity ring downen
dc.subjectTrace gas detectionen
dc.subjectAirborne instrumentationen
dc.subjectNitrogen oxidesen
dc.subjectAtmospheric chemistryen
dc.thesis.opt-outfalse
dc.titleCavity ring-down spectroscopy instrumentation for airborne detection of nitrogen oxidesen
dc.typeDoctoral thesisen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePhDen
ucc.workflow.supervisora.ruth@ucc.ie
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