DETERMINATION OF DISTORTION CORRECTIONS FOR A FIXED LENGTH OPTICAL CAVITY PRESSURE STANDARD
Jacob Edmond Ricker, Jay H. Hendricks, Kevin O. Douglass, Sarah White, Sergei Syssoev
Optical gas refractometry has enabled new pressure standards to be developed based on a dual Fixed Length Optical Cavity (FLOC) system. NIST in partnership with MKS Instruments has created a portable FLOC pressure standard based gas refractivity. A key challenge for accurate measurements is the characterization of cavity distortions when pressurized. A method for determination of the distortion constants will be presented based on using two gasses of known refractive index. Using this two-gas technique, the distortions on the portable FLOC pressure standard are measured to 1 part in 106 (k=1).
, Hendricks, J.
, Douglass, K.
, White, S.
and Syssoev, S.
DETERMINATION OF DISTORTION CORRECTIONS FOR A FIXED LENGTH OPTICAL CAVITY PRESSURE STANDARD, Measurement: Sensors, Yokohama, JP, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=932920
(Accessed December 3, 2021)