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Interference of Laguerre--Gaussian beams for reflection by dielectric slab

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posted on 2023-11-30, 05:16 authored by Konstantin N. Pichugin, Almas F. Sadreev
We study reflection of TE Laguerre-Gaussian light beam by dielectric slab and show that the Goos-H\"{a}nchen and the Imbert-Federov shifts show resonant behavior following to the behavior of the reflection. Moreover the Imbert-Federov linear and the Goos-H\"{a}nchen angular shifts strongly depend on the orbital angular momentum m. Due to destructive interference of two beams reflected from upper and down interfaces of the slab profile of the reflected light beam acquires structure which distinctively displays an amount of m.

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