Title :
Absolute refractometry using helium
Author :
Badr, T. ; Azouigui, S. ; Wallerand, J.P. ; Juncar, P.
Author_Institution :
Lab. Commun de Metrol., CNAM, La Plaine, France
Abstract :
This paper describes our project of an optical refractometer. The targeted accuracy for air index measurement is below 10-8. It is based on an optical resonator whose mechanical distortion as a function of pressure will be calibrated using helium gas.
Keywords :
air; calibration; helium; light refraction; optical resonators; refractive index measurement; He; absolute refractometry; air index measurement; mechanical distortion; optical refractometer; optical resonator; Calibration; Distortion measurement; Electromagnetic refraction; Helium; Optical distortion; Optical refraction; Optical resonators; Refractive index; Temperature sensors; Uncertainty;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM), 2010 Conference on
Conference_Location :
Daejeon
Print_ISBN :
978-1-4244-6795-2
DOI :
10.1109/CPEM.2010.5543634
