Angular response of anomalous reflectors: Analysis and design prospects

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Abstract

Metasurfaces for controlling wavefronts are typically designed for plane-wave illumination from a specific direction. However, the behaviour of these metasurfaces for arbitrary illuminations has not been analyzed so far. In this presentation, we study the angular response of anomalous reflectors for arbitrary illumination angles. We will compare the angular response of anomalous reflectors designed with different design strategies. In particular, we explain the dependence of the scattered power for arbitrary illumination angles in phase-gradient metasurfaces, strongly nonlocal metasurfaces, and power flow-conformal meta-surfaces. This study will allow us to complete understanding of the scattering properties of anomalous reflectors and to discern the way to engineer their angular response.

Original languageEnglish
Title of host publication15th European Conference on Antennas and Propagation, EuCAP 2021
PublisherIEEE
Number of pages3
ISBN (Electronic)9788831299022
DOIs
Publication statusPublished - 22 Mar 2021
MoE publication typeA4 Article in a conference publication
EventEuropean Conference on Antennas and Propagation - Dusseldorf, Germany
Duration: 22 Mar 202126 Mar 2021
Conference number: 15

Conference

ConferenceEuropean Conference on Antennas and Propagation
Abbreviated titleEuCAP
CountryGermany
CityDusseldorf
Period22/03/202126/03/2021

Keywords

  • angular response
  • anomalous reflectors
  • metasurface

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