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  • immersion liquid Term synonymous with refractive index liquid, but related more to tank or chamber immersion of crystals, fibers, lenses, photoelastic models, etc.
  • refractive index liquids A closely spaced series of well-known chemicals having a refractive index lying between 1.33 for water and 1.95 for a solution of phosphorus in carbon disulfide. They are used to identify powdered minerals, since a transparent powder disappears from...
  • 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.
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