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- Forssén, ClaytonUmeå universitet,RISE,Umeå University, Sweden,Institutionen för fysik,Measurement Science and Technology, RISE Research Institutes of Sweden, Borås, Sweden (author)
The short-term performances of two independent gas modulated refractometers for pressure assessments
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- 2021-09-18
- MDPI,2021
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ri-56688
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-56688URI
- https://doi.org/10.3390/s21186272DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-191228URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Funding details: 2017-05013, 2018-04570, 2019-05029; Funding details: Horizon 2020 Framework Programme, H2020, 621-2015-04374, 621-2020-05105; Funding details: European Metrology Programme for Innovation and Research, EMPIR; Funding details: Kempestiftelserna, 1823, U12; Funding text 1: This project (QuantumPascal, 18SIB04) has received funding from the EMPIR programme co-financed by the Participating States and from the European Union?s Horizon 2020 research and innovation programme; Vetenskapsr?det (VR) (621-2015-04374 and 621-2020-05105); the Ume?University Industrial doctoral school (IDS-18); the Vinnova Metrology Programme (2017-05013, 2018-04570, and 2019-05029); the Kempe Foundations (1823.U12).
- Refractometry is a powerful technique for pressure assessments that, due to the recent redefinition of the SI system, also offers a new route to realizing the SI unit of pressure, the Pascal. Gas modulation refractometry (GAMOR) is a methodology that has demonstrated an outstanding ability to mitigate the influences of drifts and fluctuations, leading to long-term precision in the 10−7 region. However, its short-term performance, which is of importance for a variety of applications, has not yet been scrutinized. To assess this, we investigated the short-term performance (in terms of precision) of two similar, but independent, dual Fabry–Perot cavity refractometers utilizing the GAMOR methodology. Both systems assessed the same pressure produced by a dead weight piston gauge. That way, their short-term responses were assessed without being compromised by any pressure fluctuations produced by the piston gauge or the gas delivery system. We found that the two refractometer systems have a significantly higher degree of concordance (in the 10−8 range at 1 s) than what either of them has with the piston gauge. This shows that the refractometry systems under scrutiny are capable of assessing rapidly varying pressures (with bandwidths up to 2 Hz) with precision in the 10−8 range. © 2021 by the authors.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- Fabry–Perot cavity
- Gas modulation
- Metrology
- Modulation techniques
- Pressure
- Refractometry
- Short-term performance
- Gages
- Pistons
- Dead weights
- Gas delivery system
- Piston gauges
- Pressure fluctuation
- Short term
- Refractometers
Added entries (persons, corporate bodies, meetings, titles ...)
- Silander, Isak,1980-Umeå universitet,Institutionen för fysik,Umeå University, Sweden(Swepub:umu)issi0002 (author)
- Zakrisson, JohanUmeå universitet,Institutionen för fysik,Umeå University, Sweden(Swepub:umu)joza0002 (author)
- Axner, OveUmeå universitet,Institutionen för fysik,Umeå University, Sweden(Swepub:umu)ovax0001 (author)
- Zelan, MartinRISE,Mätteknik,Measurement Science and Technology, RISE Research Institutes of Sweden, Borås, Sweden(Swepub:ri)MartinZe@ri.se (author)
- RISEUmeå University, Sweden (creator_code:org_t)
Related titles
- In:Sensors: MDPI21:181424-8220
Internet link
- https://doi.org/10.3390/s21186272Fulltext
- https://www.mdpi.com/1424-8220/21/18/6272/pdf
- https://umu.diva-portal.org/smash/get/diva2:1629485/FULLTEXT01.pdffulltext:print
- https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-56688
- https://doi.org/10.3390/s21186272
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-191228
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