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dc.contributor.authorGotti, Riccardo
dc.contributor.authorLamperti, Marco
dc.contributor.authorGatti, Davide
dc.contributor.authorWójtewicz, S.
dc.contributor.authorPuppe, T.
dc.contributor.authorMayzlin, Y.
dc.contributor.authorAlsaif, Bidoor
dc.contributor.authorRobinson-Tait, J.
dc.contributor.authorRohde, F.
dc.contributor.authorWilk, R.
dc.contributor.authorLeisching, P.
dc.contributor.authorKaenders, W. G.
dc.contributor.authorLaporta, P.
dc.contributor.authorMarangoni, M.
dc.date.accessioned2020-09-16T07:01:00Z
dc.date.available2020-09-16T07:01:00Z
dc.date.issued2020-08-26
dc.date.submitted2020-04-16
dc.identifier.citationGotti, R., Lamperti, M., Gatti, D., Wójtewicz, S., Puppe, T., Mayzlin, Y., … Marangoni, M. (2020). Multispectrum rotational states distribution thermometry: application to the 3ν 1 + ν 3 band of carbon dioxide. New Journal of Physics, 22(8), 083071. doi:10.1088/1367-2630/aba85d
dc.identifier.issn1367-2630
dc.identifier.doi10.1088/1367-2630/aba85d
dc.identifier.urihttp://hdl.handle.net/10754/665173
dc.description.abstractIn this paper we propose multispectrum rotational states distribution thermometry as an optical method for primary thermometry. It relies on a global fitting of multiple absorption lines of the same band at different pressures. The approach allows leveraging both the temperature-dependent Doppler width and the temperature-dependent distribution of line intensities across the ro-vibrational band. We provide a proof-of-principle demonstration of the approach on the 3ν 1 + ν 3 band of CO2, for which several accurate line-strength models of both theoretical and experimental origin are available for the global fitting. Our experimental conditions do not allow to test the methodology beyond a combined uncertainty of 530 ppm, but the comparative analysis between different line-strength models shows promise to reduce the error budget to few tens of ppm. As compared to Doppler-broadening thermometry, the approach is advantageous to mitigate systematic errors induced by a wrong modelling of absorption line-shapes and to reduce, for a given experimental dataset, the statistical uncertainty by a factor of 2. When applied in a reverse way, i.e. using a gas of known temperature, the approach becomes a stringent testbed for the accuracy of the adopted line-strength model.
dc.description.sponsorshipThe authors acknowledge a financial contribution from the cooperative project OSR-2019-CCF-1975.34 between Politecnico di Milano and King Abdullah University of Science and Technology and by the project EMPATIA@Lecco ID: 2016-1428. SW is supported by the Polish Ministry of Science and Higher Education program 'Mobility Plus' through Grant No. 1663/MOB/V/2017/0.
dc.publisherIOP Publishing
dc.relation.urlhttps://iopscience.iop.org/article/10.1088/1367-2630/aba85d
dc.rightsOriginal content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleMultispectrum rotational states distribution thermometry: Application to the 3ν 1+ ν 3band of carbon dioxide
dc.typeArticle
dc.contributor.departmentElectrical Engineering Program
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.identifier.journalNew Journal of Physics
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionDipartimento di Fisica-Politecnico di Milano and IFN-CNR, Via Gaetano Previati 1/C, 23900 Lecco, Italy
dc.contributor.institutionInstitute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University in Torun, Grudziadzka 5, 87-100 Torun, Poland
dc.contributor.institutionTOPTICA Photonics AG, Lochhamer Schlag 19, 82166 Gräfelfing, Germany
dc.identifier.volume22
dc.identifier.issue8
dc.identifier.pages083071
kaust.personAlsaif, Bidoor
dc.date.accepted2020-07-22
dc.identifier.eid2-s2.0-85090408630
refterms.dateFOA2020-09-16T07:01:55Z


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Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution
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Except where otherwise noted, this item's license is described as Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.