Analytical Models of Reflection and Scattering by Finite-Size Anomalously Reflecting Metasurfaces

Ana Diaz-Rubio, Svetlana Tcvetkova, Sergei Tretyakov

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

The use of tunable metasurfaces for engineering and optimizing propagation environment is actively considered by the telecommunications community. These metasurfaces serve as anomalous reflectors that redirect incident waves into the desired direction. Known models of anomalous reflectors assume that each metasurface element (meta-atom) acts as an independent relay, reflecting the incident waves with a desired phase shift, realizing the phased-array functionality. This assumption, however, is not valid for vast majority of anomalously reflecting metasurfaces. Moreover, the known theories of metasurface reflectors is limited to infinite planar reflectors. In this talk, we will present an approximate analytical model of far-field scattering from anomalously reflecting metasurfaces of a finite size and discuss the features of reflected fields that cannot be found using the known models.

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

  • anomalous reflector
  • far-field scattering
  • reconfigurable intelligent surface (RIS)

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