Frustrated total internal reflection: Difference between revisions
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Frustrated total internal reflection, or ''' | '''Frustrated total internal reflection''', or '''FTIR''', is a phenomenon that occurs when electromagnetic waves reflected within an optical medium (with a lower index of refraction) are interrupted in their internal reflection by an object with a higher refractive index. | ||
In a typical optical system, total internal reflection occurs when a light ray | In a typical optical system, total internal reflection occurs when a light ray inside a higher-index medium reflects completely at a boundary between the medium and a second, lower-index medium. | ||
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Latest revision as of 10:34, 31 October 2021
Frustrated total internal reflection, or FTIR, is a phenomenon that occurs when electromagnetic waves reflected within an optical medium (with a lower index of refraction) are interrupted in their internal reflection by an object with a higher refractive index.
In a typical optical system, total internal reflection occurs when a light ray inside a higher-index medium reflects completely at a boundary between the medium and a second, lower-index medium.