Modulated metasurfaces for microwave field manipulation: Models, applications, and design procedures

E Martini, S Maci - IEEE Journal of Microwaves, 2021 - ieeexplore.ieee.org
Metasurfaces (MTSs) have emerged in the last years as a promising platform for next
generation planar devices in a broad range of frequencies, thanks to their unique field …

Flat optics for leaky-waves on modulated metasurfaces: Adiabatic Floquet-wave analysis

G Minatti, F Caminita, E Martini… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper presents a new theory for analyzing the leaky-wave (LW) mechanism supported
by planar metasurfaces (MTSs) described by continuous, anisotropic, nonuniform, locally …

Roadmap on transformation optics

M McCall, JB Pendry, V Galdi, Y Lai… - Journal of …, 2018 - iopscience.iop.org
Transformation optics asks, using Maxwell's equations, what kind of electromagnetic
medium recreates some smooth deformation of space? The guiding principle is Einstein's …

Reflecting luneburg lenses

J Ruiz-Garcia, E Martini… - … on Antennas and …, 2020 - ieeexplore.ieee.org
This article presents the exact closed-form solution for a new planar lens, hereinafter
referred to as reflecting Luneburg lens (RLL). The proposed structure consists of two stacked …

[图书][B] CubeSat antenna design

N Chahat - 2021 - books.google.com
Presents an overview of CubeSat antennas designed at the Jet Propulsion Laboratory (JPL)
CubeSats—nanosatellites built to standard dimensions of 10cm x 10 cm x cm—are making …

Phase-gradient meta-dome for increasing grating-lobe-free scan range in phased arrays

A Benini, E Martini, S Monni, MC Vigano… - … on Antennas and …, 2018 - ieeexplore.ieee.org
This paper presents a simple and effective way to increase the scan range of phased array
antennas by using a metasurface (MTS) curved dome. The technique is based on a phase …

Molding light with metasurfaces: from far-field to near-field interactions

SA Hassani Gangaraj, F Monticone - Nanophotonics, 2018 - degruyter.com
The field of metasurfaces is revolutionizing the way we control and manipulate light and
electromagnetic fields based on engineered ultrathin structures. In this review article, we …

Radial GRIN lenses based on the solution of a regularized ray congruence equation

A Paraskevopoulos, F Maggiorelli… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We introduce a novel formulation for flat radial GRadient INdex (GRIN) lenses allowing for
the optimal lens design through closed-form expressions. The validity of the proposed …

[HTML][HTML] Joint modulations of electromagnetic waves and digital signals on a single metasurface platform to reach programmable wireless communications

X Wan, C Xiao, H Huang, Q Xiao, W Xu, Y Li… - Engineering, 2022 - Elsevier
In current wireless communication and electronic systems, digital signals and
electromagnetic (EM) radiation are processed by different modules. Here, we propose a …

User tracking and wireless digital transmission through a programmable metasurface

X Wan, CK Xiao, H Huang, Q Xiao, W Xu… - Advanced Materials …, 2021 - Wiley Online Library
User tracking has been an important aspect in wireless communications. Commonly,
distributed apertures such as array antennas or multiple sensors are needed in wireless …