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RECENT ADVANCES IN FABRY-PEROT-BASED REFRACTOMETRYUTILIZING GAS MODULATION FOR ASSESSMENT OF PRESSURE
RISE Research Institutes of Sweden, Safety and Transport, Measurement Technology.ORCID iD: 0000-0001-9068-6031
Umeå University, Sweden.
RISE Research Institutes of Sweden, Safety and Transport, Measurement Technology. Umeå University, Sweden.
Umeå University, Sweden.
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2020 (English)In: Acta IMEKO, ISSN 2221-870X, Vol. 9, no 5, p. 299-304Article in journal (Refereed) Published
Abstract [en]

Gas modulation refractometry (GAMOR) is a methodology that can mitigate the influence off luctuations and drifts in Fabry-Pérot cavity–based refractometry. This paper presents a thorough description of its principles, what it enables, and its applicability. An overview of the latest results is presented, including the realization of a system based upon a cavity spacer made of Invar that allows for detection of N2 with sub-ppm precision, and a characterization procedure that allows for assessment of N2 with an accuracy at low-ppm levels. 

Place, publisher, year, edition, pages
2020. Vol. 9, no 5, p. 299-304
Keywords [en]
Refractometry, GAMOR, Pressure.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-51982DOI: 10.21014/acta_imeko.v9i5.988OAI: oai:DiVA.org:ri-51982DiVA, id: diva2:1519785
Note

This project (QuantumPascal, 18SIB04) hasreceived funding from the EMPIR programme cofinanced by the Participating States and from theEuropean Union's Horizon 2020 research andinnovation programme. The authors acknowledgesupport from the Swedish Research Council (VR)(Project No. 621-2015-04374); the Umeå UniversityIndustrial Doctoral School (IDS); the VinnovaMetrology Programme (Project Nos. 2018-04570 and2019-05029); and the Kempe Foundations (ProjectNo. 1823, U12). 

Available from: 2021-01-19 Created: 2021-01-19 Last updated: 2023-05-25Bibliographically approved

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Zelan, Martin

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