Author:
Silvestri Z.,Bentouati D.,Otal P.,Wallerand J.-P.
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.
Publisher
IMEKO International Measurement Confederation
Subject
Electrical and Electronic Engineering,Mechanical Engineering,Instrumentation
Cited by
13 articles.
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