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5 terms
Photonics Dictionary: A
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index of refraction x
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Abbe refractometer
Device which measures the index of refraction of glass as well as the dispersion over visible range.
absorption index
The absorption index represents the imaginary component of the complex index of refraction, and not the real component. The imaginary component may characterize the attenuation per unit length...
anomalous dispersion
Dispersion that occurs when the medium's index of refraction decreases as the frequency of the propagating light increases. For a given medium, some wavelength ranges may produce anomalous dispersion...
atmospheric inhomogeneities
Localized variations in the purity and the index of refraction of the atmosphere.
axial vapor-phase deposition
A vapor-phase oxidation process for fabricating graded-index optical fibers. It differs from outside vapor phase deposition in that the preform is developed radially rather than longitudinally. An...
Photonics Dictionary
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