Affiliations: Department of Electrical Engineering, College of Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran
Correspondence:
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Corresponding author: Mehdi Bahdorzadeh Ghandehari, Department of Electrical Engineering, College of Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran. Tel.: +98 513 664 1816; E-mail: m.bahadorzadeh@mshdiau.ac.ir
Abstract: A novel metamaterial absorber (MA) based on triple
hexagonal shaped resonators has proposed in this paper. This metamaterial
unit cell absorber possesses a nearly wide angle perfect absorption of
incidence wave and polarization independence. The absorption is occurred in
three different frequencies. The absorptivity is as high as 94%, 95%
and 99%, at 3.4 (GHz), 4.6 (GHz) and 6.4 (GHz), respectively. An important
feature of this metamaterial absorber is easy fabrication and maximum
absorption is observed in three different frequencies. The proposed
metamaterial absorber has wide applications such as stealth technology,
thermal detector and imaging. Moreover, a very good agreement between
simulation and measurement results has been observed.
