Absolute refractive index


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Related to Absolute refractive index: Relative refractive index
(Opt.) the index of refraction of a substances when the ray passes into it from a vacuum.

See also: Refractive

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It can measure the absolute refractive index of a fluid when the same fluid is present in both sample and reference chambers.
The device can also measure the absolute refractive index of a solution and shares the ability of its predecessor (the Optilab DSP) to go to below ambient temperatures as easily as above ambient, Wyatt Technology Corp.
There are several approaches that may be used to obtain m and thus the absolute refractive index of the sample [13].