3-D metamaterials: Trends on applied designs, computational methods and fabrication techniques

A Alex-Amor, Á Palomares-Caballero, C Molero - Electronics, 2022 - mdpi.com
Metamaterials are artificially engineered devices that go beyond the properties of
conventional materials in nature. Metamaterials allow for the creation of negative refractive …

On the benefits of glide symmetries for microwave devices

O Quevedo-Teruel, Q Chen, F Mesa… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
The presence of glide symmetries in periodic structures can introduce beneficial
modifications in their electromagnetic properties. The difference between glide and non …

Dual-polarized all-metallic metagratings for perfect anomalous reflection

O Rabinovich, A Epstein - Physical Review Applied, 2020 - APS
We theoretically formulate and experimentally demonstrate the design of metagratings
(MGs) composed of periodic rectangular grooves in a metallic medium, intended for perfect …

Glide-symmetric metallic structures with elliptical holes for lens compression

A Alex-Amor, F Ghasemifard, G Valerio… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In this article, we study the wave propagation in a metallic parallel-plate structure with glide-
symmetric elliptical holes. To perform this study, we derived a mode-matching technique …

Dispersion and filtering properties of rectangular waveguides loaded with holey structures

Á Palomares-Caballero, A Alex-Amor… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
This article analyzes thoroughly the dispersion and filtering features of periodic holey
waveguides in the millimeter-wave frequency range. Two structures are mainly studied …

Numerical analysis for suppression of charge growth using nested grooves in rectangular waveguides

M Brown, W Milestone, RP Joshi - Journal of Applied Physics, 2022 - pubs.aip.org
Multipactor mitigation is of relevance to microwave applications, and external magnetic
fields, surface modifications, and materials engineering have previously been utilized for this …

Glide-symmetric holey structures applied to waveguide technology: Design considerations

Z Sipus, K Cavar, M Bosiljevac, E Rajo-Iglesias - Sensors, 2020 - mdpi.com
Recently, there has been an increased interest in exploring periodic structures with higher
symmetry due to various possibilities of utilizing them in novel electromagnetic applications …

Quasi-static homogenization of glide-symmetric holey parallel-plate waveguides with ultra-wideband validity

B Fischer, G Valerio - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
Glide-symmetric (GS) waveguides made of metallic metasurfaces are a wideband, low-loss,
low-cost, and conformable alternative to dielectric materials for the design of antenna lenses …

Dispersion analysis of periodically loaded transmission lines with twist symmetry using the mode-matching technique

O Zetterstrom, G Valerio, F Mesa, F Ghasemifard… - Applied Sciences, 2020 - mdpi.com
A mode-matching formulation is presented and used to analyze the dispersion properties of
twist-symmetric transmission lines. The structures are coaxial lines periodically loaded with …

Probing higher order optical modes in all-dielectric nanodisk,-square, and-triangle by aperture type scanning near-field optical microscopy

AY Frolov, J Van de Vondel, VI Panov, P Van Dorpe… - …, 2022 - degruyter.com
All-dielectric nanoantennas, consisting of high refractive index semiconductor material, are
drawing a great deal of attention in nanophotonics. Owing to their ability to manipulate …