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arXiv · 1204.2283

Reconciliation of generalized refraction with diffraction theory

Stéphane Larouche·David R. Smith
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Abstract

When an electromagnetic wave is obliquely incident on the interface between two homogeneous media with different refractive indices, the requirement of phase continuity across the interface generally leads to a shift in the trajectory of the wave. When a linearly position dependent phase shift is imposed at the interface, the resulting refraction may be described using a generalized version of Snell's law. In this Letter, we establish a formal equivalence between generalized refraction and blazed diffraction gratings, further discussing the relative merits of the two approaches.

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Stéphane Larouche, David R. Smith. 2012-04-10. Reconciliation of generalized refraction with diffraction theory. https://doi.org/10.1364/ol.37.002391

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