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Journals and Conferences
This paper describes a new method to damp out balance pan oscillations even when the balance is operated in vacuum. The key is to tune the wavelength of the damping liquid, which resides in a sealed… (More)
The kilogram is the last base unit of the systeme international d'unites (SI) that is still defined by an artifact. The watt-balance experiment is one of the promising methods that can produce a new… (More)
In watt balance experiments, a part of the uncertainty is caused by parasitic forces and moments acting on the coil of the set-up during the static step. We present a method to determine and minimize… (More)
This paper deals with the development and the study of novel QHE resistance standards of expected values as low as R/sub K//200. We report first results of measurement obtained on devices made of 100… (More)
The alignment of optical devices such as interferometers and laser position detectors is needed for the different adjustments of watt balances. This paper describes the optical apparatus and the… (More)
This paper describes the main progress on the LNE watt balance project since 2004. Development of different parts and structure of the watt balance including starting their assembly are presented.
The e-MASS joint research project (JRP) supported by EURAMET gathers several European metrology institutes in the aim to improve existing watt balances and to contribute to a new definition of the… (More)
The LNE watt balance is in the final stage of assembly. Very first measurements of the magnetic field profile have been made and will be improved during the next months. Characterization of the force… (More)
Our results show that the far-infrared spectroscopy is a useful tool for characterizing the evolution of the structure of the polymer under field action: the phase transitions mechanism and the… (More)
The magnetic circuit built for the LNE watt balance experiment is now assembled and its characterization is in progress. We describe here the methods used and give the first results.