Frustrated total internal reflection: Difference between revisions
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In a typical optical system, total internal reflection occurs when a light ray reflects completely inside higher-index medium and reflects onto a lower-index surface. | In a typical optical system, total internal reflection occurs when a light ray reflects completely inside higher-index medium and reflects onto a lower-index surface. | ||
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Revision as of 12:48, 2 March 2009
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 reflects completely inside higher-index medium and reflects onto a lower-index surface.