Water-Based Dual-Band Metamaterial Absorber

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This paper presents a study on a dual-band metamaterial
absorber containing water in the structure. Two designs are
considered as each absorber contains metal resonators printed
on a substrate, a layer of pure water, a metal ground plane,
and a layer of plastic isolating the water from the substrate and
the metal plate. The two absorbers differ in the configuration
of the used water container. One of the designs demonstrates
one absorption peak at high frequency while the other design
two peaks when the metal resonators are removed from the
structure. The simulated results reveal that the designs have a
narrow low and a wide high frequency absorption band. The
absorption performance for different temperatures of the water
is studied. The temperature change is taken through a change
in the dielectric properties of the water. Some reconfiguration
of the absorption performance can be achieved by changing the
water temperature.
Original languageEnglish
Title of host publication15th European Conference on Antennas and Propagation, EuCAP 2021
Number of pages5
Publication date22 Mar 2021
Article number9411323
ISBN (Print)978-1-7281-8845-4
ISBN (Electronic)978-88-31299-02-2
Publication statusPublished - 22 Mar 2021
Event15th European Conference on Antennas and Propagation - Dusseldorf, Dusseldorf, Germany
Duration: 22 Mar 202126 Mar 2021


Conference15th European Conference on Antennas and Propagation
Internet address


  • Absorber
  • dual-band
  • metamaterial
  • water


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