Deviation from Snell's Law for Beams Transmitted Near the Critical Angle: Application to Microcavity Lasers
H. E. Tureci, A. D. Stone
Abstract
We show that when a narrow beam is incident upon a dielectric interface near the critical angle for total internal reflection it will be transmitted into the far-field with an angular deflection from the direction predicted by Snell's Law, due to a phenomenon we call "Fresnel Filtering". This effect can be quite large for the parameter range relevant to dielectric microcavity lasers.
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