The short-term performances of two independent gas modulated refractometers for pressure assessments

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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 (författare)

The short-term performances of two independent gas modulated refractometers for pressure assessments

Artikel/kapitelEngelska2021

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2021-09-18
MDPI,2021
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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

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Språk:engelska
Sammanfattning på:engelska

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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.

Ämnesord och genrebeteckningar

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

Biuppslag (personer, institutioner, konferenser, titlar ...)

Silander, Isak,1980-Umeå universitet,Institutionen för fysik,Umeå University, Sweden(Swepub:umu)issi0002 (författare)
Zakrisson, JohanUmeå universitet,Institutionen för fysik,Umeå University, Sweden(Swepub:umu)joza0002 (författare)
Axner, OveUmeå universitet,Institutionen för fysik,Umeå University, Sweden(Swepub:umu)ovax0001 (författare)
Zelan, MartinRISE,Mätteknik,Measurement Science and Technology, RISE Research Institutes of Sweden, Borås, Sweden(Swepub:ri)MartinZe@ri.se (författare)
RISEUmeå University, Sweden (creator_code:org_t)

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Ingår i:Sensors: MDPI21:181424-8220

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Av författaren/redakt...: Forssén, Clayton; Silander, Isak, ...; Zakrisson, Johan; Axner, Ove; Zelan, Martin

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Elektroteknik oc ...; och Annan elektrotek ...

Artiklar i publikationen: Sensors

Av lärosätet: RISE; Umeå universitet

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