Anomalous refraction phenomena in a transparent slab
Michel Lequime, Claude Amra
TL;DR
This paper presents an exact mathematical formulation for wave propagation through a transparent slab, revealing anomalous refraction effects such as negative refraction and flat lensing caused by reflections.
Contribution
It introduces an exact formulation and approximate formulas for Gaussian beams, demonstrating anomalous refraction phenomena in homogeneous slabs.
Findings
Anomalous refraction occurs at any slab thickness.
Negative refraction and flat lensing effects are induced by rear face reflections.
Approximate formulas for Gaussian beams are derived.
Abstract
An exact formulation of the propagation of a monochromatic wave packet impinging upon a transparent, homogeneous, isotropic and parallel slab at oblique incidence is presented. Approximate formulas are derived for low divergence Gaussian light beams. These formulas show the presence of anomalous refraction phenomena at any slab thickness, including negative refraction and flat lensing effects, induced by the reflection on the rear face.
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Taxonomy
TopicsMetamaterials and Metasurfaces Applications · Photonic Crystals and Applications · Electromagnetic Scattering and Analysis