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Progress report on low flow measurement based on optical characterization of gas density in vacuum
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Kommunikation.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Mätteknik, Massa, kraft, längd och tryck.
2010 (English)Report (Refereed)
Abstract [en]

With the aim to achieve a new primary standard for calibration of ultra-low gas flows (leaks) the research in determination of gas density using optical refractometry has progressed, resulting in an evaluation of the stability of the prototype and a refined theoretical analysis. Furthermore, a renewed literature search has revealed more relevant work and further knowledge is gained from these papers. The assembled prototype was known to be of proportions far from optimum, however the assumption that it would be sufficient to reach applicable results was too optimistic. The conclusion is to continue with the efforts, however with a new and improved prototype and an adjusted choice of mirror parameters, and this report summarizes the work as of spring 2010.

Place, publisher, year, edition, pages
2010.
Series
SP Rapport, ISSN 0284-5172 ; 2010:47
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-4922Local ID: 11159ISBN: 978-91-86319-84-7 (print)OAI: oai:DiVA.org:ri-4922DiVA: diva2:962561
Available from: 2016-09-07 Created: 2016-09-07Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
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  • Other locale
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Output format
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