# index of refraction

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## index of refraction

n.
The ratio of the speed of light in a vacuum to the speed of light in a medium under consideration. Also called refractive index.

## index of refraction

n
(General Physics) another name for refractive index
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## in′dex of refrac′tion

n.
a number indicating the speed of light in a given medium, usu. as the ratio of the speed of light in a vacuum or in air to that in the given medium.
[1820–30]

## in·dex of refraction

(ĭn′dĕks′)
The ratio of the speed of light in a vacuum to the speed of light in another medium, such as water or oil.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 index of refraction - the ratio of the velocity of light in a vacuum to that in a mediumrefractive indexratio - the relative magnitudes of two quantities (usually expressed as a quotient)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Brechungsindex
References in periodicals archive ?
Smith, "Simulation and testing of a graded negative index of refraction lens," Applied Physics Letters, vol.
The Acoustic Index of Refraction. We will assign an acoustic index of refraction to the perturbed medium as
is the round-trip phase of the probe light, [[phi].sub.0] is the initial phase, and [n.sub.0] is the linear index of refraction.
The thermal gradient gives a gradual change in the index of refraction of the crystal and leads to the formation of a thermal lens.
For the fixed [??] [member of] [S.sup.2], we consider the radially symmetric index of refraction in [C.sup.2]([R.sup.3]) by rotating [??](r) around the origin.
The effective index of refraction of the sol-gel silica waveguide was estimated to be 1.49 for the transverse electric (TE) mode.
assuming that the light rays will be hitting the glass window at close to normal incidence, and that the index of refraction of air is 1.
* Service is typically performed to validate orientation when thermal-expansion, -coefficient, and the index of refraction needs to be constant in all directions, and when birefringence must be minimum or maximum, and polarization effects are critical
We hypothesize that the air-filled foam-like structure allows for effective refraction of light due to the mismatch in index of refraction between the polymer and air.
The choice of materials for the layers and their order of deposition depends on the desired anti-reflection performance, the touchscreen configuration, and any hard coating already on the glass substrate, as well as the material properties, such as index of refraction, spectral transmission, conductivity, durability, cost, and required coating temperature.

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