An overview of equivalent circuit modeling techniques of frequency selective surfaces and metasurfaces

F Costa, A Monorchio… - The Applied …, 2014 - journals.riverpublishers.com
Circuit analysis of frequency selective surfaces is reviewed with the aim to underline range
of validity of different models and their advantages in terms of simplicity and physical insight …

Analytical multimodal network approach for 2-D arrays of planar patches/apertures embedded in a layered medium

R Rodriguez-Berral, F Mesa… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A fully analytical multimodal equivalent circuit is presented for the modeling of the scattering
of an obliquely incident plane wave by a two-dimensional (2-D) periodic array of metallic …

A depolarizing chipless RF label for dielectric permittivity sensing

F Costa, A Gentile, S Genovesi… - IEEE Microwave and …, 2018 - ieeexplore.ieee.org
A novel depolarizing chipless radio-frequency identification tag is employed to estimate the
variation of the dielectric properties of materials. The tag, comprising two 45° tilted dipoles …

Refractive index sensor with dual sensing bands based on array of Jerusalem cross cavities to detect the hemoglobin concentrations

S Barzegar-Parizi - Optical and Quantum Electronics, 2023 - Springer
A metallic perfect electromagnetic absorber consisting of two-dimensional arrays of
Jerusalem cross cavities placed on a dielectric substrate ended with a conducting layer …

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 …

Actively controllable terahertz metal–graphene metamaterial based on electromagnetically induced transparency effect

L Gao, C Feng, Y Li, X Chen, Q Wang, X Zhao - Nanomaterials, 2022 - mdpi.com
A metal–graphene metamaterial device exhibiting a tunable, electromagnetically induced
transparency (EIT) spectral response at terahertz frequencies is investigated. The …

A thin double-mesh metamaterial radome for wide-angle and broadband applications at millimeter-wave frequencies

Y He, GV Eleftheriades - IEEE Transactions on Antennas and …, 2019 - ieeexplore.ieee.org
Antireflection has been a critical part in the design of optical and opto-electronic instruments.
In the emerging millimeter (mm)-wave technology for the next-generation communication …

A simple effective permittivity model for metasurfaces within multilayer stratified media

F Costa - IEEE Transactions on Antennas and Propagation, 2021 - ieeexplore.ieee.org
A simple and accurate approach for computing the effective permittivity of metasurfaces
embedded within arbitrary stratified media is presented. The proposed model provides …

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 …

Wide angle terahertz sensing with a cross-dipole frequency selective surface

P Rodríguez-Ulibarri, SA Kuznetsov… - Applied Physics …, 2016 - pubs.aip.org
In this work, a terahertz sensor based on a cross dipole frequency selective surface is
analyzed and experimentally tested. The sensing structure is optimized for operation at the …