Towards an improved helium-based refractometer for pressure measurements

Authors

  • Z. Silvestri LCM LNE/Cnam 1 rue Gaston Boissier Paris
  • D. Bentouati LCM LNE/Cnam 1 rue Gaston Boissier Paris
  • P. Otal LCM LNE/Cnam 1 rue Gaston Boissier Paris
  • J.-P. Wallerand LCM LNE/Cnam 1 rue Gaston Boissier Paris

DOI:

https://doi.org/10.21014/acta_imeko.v9i5.989

Abstract

This paper describes a quantum realization of the pascal based a helium absolute refractometer at 532 nm. The short-term stability in pressure is ± 2 mPa with a resolution in pressure of this new optical pressure standard is better than 1 mPa with temperature stability about 1 mK. A new design of the refractometer is presented to have better temperature stability and accurate temperature measurements to reach uncertainties in pressure better than current conventional methods.

Downloads

Published

2020-12-31

Issue

Vol. 9 No. 5 (2020): Special issue for TC3, TC5, TC16 and TC22

Section

Conference Submissions

License

Authors who publish with this journal agree to the following terms:

  • Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
  • Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
  • Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).