Cited by 253Metamaterials and Metasurfaces ApplicationsOptical Coatings and GratingsPhotorefractive and Nonlinear Optics

Reconciliation of generalized refraction with diffraction theory

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Larouche, Stéphane, Smith, David R.·2012·Optics Letters

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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  • Transmission through a space-variant metalstripe metasurface results in part of the incident light being redirected (diffracted), similar to blazed gratings.

    “Particularly, early work has considered transmission through a space-variant metalstripe metasurface[11, 12], which results in part of the incident light being redirected (i.e., diffracted), similar to the functionality of blazed gratings[13].”
  • By combining a metalstripe metasurface with a linear polarizer and performing two successive measurements, or by Fourier transforming the transmitted near-field when a quarter-wave plate is placed in front of the metasurface, it is possible to determine the Stokes parameters.

    “For example, by combining the metasurface with a linear polarizer and performing two successive measurements[11, 14] or, alternatively, by Fourier transforming the transmitted near-field when a quater-wave plate is placed in front of the metasurface [12], it is possible to determine the Stokes parameters.”

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Authors
Larouche, S., & Smith, D. R.
Affiliations
Duke University (US)
Venue
Optics Letters
Published
2012-06-12
Volume
37
Issue
12
Pages
2391
ISSN
  • 0146-9592 (ISSN-L)
  • 1539-4794
OpenAlex
W2055887225
Cited by
253
References
8
Citations by year
2026: 11 · 2025: 12 · 2024: 15 · 2023: 18 · 2022: 21 · 2021: 14 · 2020: 21 · 2019: 16 · 2018: 20 · 2017: 26 · 2016: 28 · 2015: 18 · 2014: 17 · 2013: 15 · 2012: 1
FWCI
6.29
Type
journal article
Language
en
Open access
Locations
  • Optics Letters (publishedVersion)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
Multidisciplinary University Research Initiative (W911NF-09-1-0539)
Topics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Optical Coatings and Gratings
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Photorefractive and Nonlinear Optics
Keywords
diffraction gratings, blazed gratings, Snell's law, oblique incidence, phase continuity, refractive index discontinuity, electromagnetic wave propagation

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