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Photonics Buyers' Guide / Refractometers
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The Photonics Buyers' Guide is a comprehensive resource for verified providers of Refractometers. Profiles and contact information for manufacturers and suppliers are provided by the companies and verified by our editors. If you have updated information about any of the organizations listed, please contact us.
Glossary
  • refractometer An instrument used to measure the refractive index of solids and liquids. Several types exist, the most common being the Abbe refractometer.
  • Abbe refractometer Device which measures the index of refraction of glass as well as the dispersion over visible range.  
  • index of refraction The ratio of the velocity of light in a vacuum to the velocity of light in a refractive material for a given wavelength.
  • Williams refractometer A refractometer that has a greater resolving power than a standard refractometer, and that uses a pentagonal prism to split the light from a single slit into two beams.
  • immersion refractometer A type of refractometer designed to measure the refractive indices of liquids. A section of the instrument is immersed into the sample being measured.
  • Jamin refractometer An instrument designed to measure the index of refraction of a gas by the interference patterns formed by two beams, one of which passes through a vacuum tube in which the gas is slowly released.
refractometryindex of refractionmeasure index of refractionAbbe refractometeroptical instrumenttest & measurement
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