Information metamaterials: bridging the physical world and digital world

Q Ma, TJ Cui - PhotoniX, 2020 - Springer
Over the past 5 years, digital coding and programmable metamaterials have been
developed rapidly since their first exhibition in 2014. The iconic feature of the digital coding …

Machine-learning reprogrammable metasurface imager

L Li, H Ruan, C Liu, Y Li, Y Shuang, A Alù… - Nature …, 2019 - nature.com
Conventional microwave imagers usually require either time-consuming data acquisition, or
complicated reconstruction algorithms for data post-processing, making them largely …

Review of metasurface antennas for computational microwave imaging

MF Imani, JN Gollub, O Yurduseven… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
This article covers recent advances in the fusion of metasurface antenna design and
computational imaging (CI) concepts for the realization of imaging systems that are planar …

Analysis of a waveguide-fed metasurface antenna

DR Smith, O Yurduseven, LP Mancera, P Bowen… - Physical Review …, 2017 - APS
The metasurface concept has emerged as an advantageous reconfigurable antenna
architecture for beam forming and wave-front shaping, with applications that include satellite …

Intelligent meta-imagers: From compressed to learned sensing

C Saigre-Tardif, R Faqiri, H Zhao, L Li… - Applied Physics …, 2022 - pubs.aip.org
Computational meta-imagers synergize metamaterial hardware with advanced signal
processing approaches such as compressed sensing. Recent advances in artificial …

How stable are stablecoins?

LT Hoang, DG Baur - The European Journal of Finance, 2021 - Taylor & Francis
This paper analyzes the stability of stablecoins and proposes a framework to test for
absolute and relative stability of stablecoins. Based on high-frequency data, we find strong …

Meta‐imaging: From non‐computational to computational

W Li, J Qi, A Sihvola - Advanced Optical Materials, 2020 - Wiley Online Library
Imaging equipment is one of the most powerful tools for the human to explore the world.
Devices utilizing various portions of the electromagnetic spectrum are developed to reveal …

Dynamically reconfigurable holographic metasurface aperture for a Mills-Cross monochromatic microwave camera

O Yurduseven, DL Marks, T Fromenteze, DR Smith - Optics express, 2018 - opg.optica.org
We present a reconfigurable, dynamic beam steering holographic metasurface aperture to
synthesize a microwave camera at K-band frequencies. The aperture consists of a 1D …

Computational polarimetric imaging using two-dimensional dynamic metasurface apertures

TV Hoang, V Fusco, T Fromenteze… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
In this paper, we present a two-dimensional dynamic metasurface aperture to perform
computational polarimetric microwave imaging for the first time. First, a novel tunable dual …

Implementation and characterization of a two-dimensional printed circuit dynamic metasurface aperture for computational microwave imaging

TA Sleasman, MF Imani, AV Diebold… - … on Antennas and …, 2020 - ieeexplore.ieee.org
We present the design, fabrication, and experimental characterization of a 2-D, dynamically
tuned, metasurface aperture, emphasizing its potential performance in computational …