Progress in frequency selective surface-based smart electromagnetic structures: A critical review

R Panwar, JR Lee - Aerospace Science and Technology, 2017 - Elsevier
This article analyzes a review of recent developments in the field of frequency selective
surface (FSS)-based advanced electromagnetic (EM) structures. FSSs have been the …

Roadmap on metasurfaces

O Quevedo-Teruel, H Chen, A Díaz-Rubio… - Journal of …, 2019 - iopscience.iop.org
Metasurfaces are thin two-dimensional metamaterial layers that allow or inhibit the
propagation of electromagnetic waves in desired directions. For example, metasurfaces …

Unlocking complexity using the ECA: The equivalent circuit model as an efficient and physically insightful tool for microwave engineering

F Mesa, R Rodriguez-Berral… - IEEE Microwave …, 2018 - ieeexplore.ieee.org
In the study of electromagnetic wave propagation and scattering, researchers have always
faced the dichotomy of dealing directly with Maxwell's equations (and their complicated …

Exploring the potential of the multi-modal equivalent circuit approach for stacks of 2-D aperture arrays

A Alex-Amor, F Mesa… - … on Antennas and …, 2021 - ieeexplore.ieee.org
Many frequency-selective surface (FSS) structures are based on the use of a single periodic
array of slot/apertures in a conducting sheet embedded in a layered medium. However, it is …

Circuit modeling of 3-D cells to design versatile full-metal polarizers

C Molero, M García-Vigueras - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
An original mechanism is here proposed to achieve polarization conversion from linear to
circular with the use of full-metal polarizing screens. Such screens are self-supported and …

Time-periodic metallic metamaterials defined by floquet circuits

S Moreno-Rodríguez, A Alex-Amor, P Padilla… - IEEE …, 2023 - ieeexplore.ieee.org
In this paper, we study the scattering and diffraction phenomena in time-modulated
metamaterials of metallic nature by means of Floquet equivalent circuits. Concretely, we …

Fully Metallic Dual-Band Linear-to-Circular Polarizer for K/Ka-band

J Lundgren, O Zetterstrom, F Mesa… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
A dual-band polarizer is presented that converts linear polarization into circular polarization
with orthogonal handedness in the satcom bands 19.7–20.2 GHz and 29.5–30 GHz. The …

Simplified modal expansion to analyze frequency-selective surfaces: An equivalent circuit approach

F Mesa, R Rodriguez-Berral… - … on Antennas and …, 2015 - ieeexplore.ieee.org
This communication extends a previously reported analytical circuit that models the plane
wave scattering by 2-D arrays of planar patches/apertures embedded in a layered media. In …

Equivalent circuit models for metasurfaces using floquet modal expansion of surface current distributions

E Baladi, SV Hum - IEEE Transactions on Antennas and …, 2021 - ieeexplore.ieee.org
This work presents a fully analytical method for obtaining equivalent circuit models (ECMs)
that predict the magnitude and phase of scattering parameters for reflectarray (RA) and/or …

Equivalent circuit model for coupled complementary metasurfaces

SS Bukhari, WG Whittow… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Coupled complementary metasurfaces (CCMTS) exhibit a passband whose frequency is
several times lower than that of the individual metasurface (MTS) passband frequency. In …