Low-loss Water-based Metasurface in Waveguide Environment

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Abstract

Water has been introduced as a unique component of all-dielectric multifunctional metasurfaces for microwaves. Typically absorbing properties of arrays in free-air arrangement have been analyzed. Here we report on promising performance of a water-filled metasurface in a microwave waveguide setup. The metasurface has a one row of cylindrical cavities. Being filled with water the metasurface exhibits effective modulation properties opening and closing the waveguide transmission channel upon 90° rotations. It acts as a wire grid polarizer, however temperature dependence of water dielectric characteristic, possible deformation of the cavities shapes and rotation of elements form a set of effective stimulus for possible tuning of transmission/reflection properties.
Original languageEnglish
Title of host publicationProceedings of the 48th European Microwave Conference
PublisherIEEE
Publication date2018
Pages819-822
ISBN (Print)978-2-87487-051-4
DOIs
Publication statusPublished - 2018
Event48th European Microwave Conference - Feria De Madrid, Madrid, Spain
Duration: 25 Sep 201827 Sep 2018

Conference

Conference48th European Microwave Conference
LocationFeria De Madrid
CountrySpain
CityMadrid
Period25/09/201827/09/2018

Keywords

  • Magnetic resonance
  • Switches
  • Permittivity
  • Reflectivity
  • Electromagnetic waveguides
  • Electromagnetic heating

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