Imaging with metamaterials

WJ Padilla, RD Averitt - Nature Reviews Physics, 2022‏ - nature.com
Metamaterials enable precise tailoring of light–matter interactions at the subwavelength
scale, permitting access to the full range of electromagnetic responses encoded in Maxwell's …

Novel materials in magnetic resonance imaging: high permittivity ceramics, metamaterials, metasurfaces and artificial dielectrics

A Webb, A Shchelokova, A Slobozhanyuk… - … Resonance Materials in …, 2022‏ - Springer
This article reviews recent developments in designing and testing new types of materials
which can be:(i) placed around the body for in vivo imaging,(ii) be integrated into a …

Enhancement of magnetic resonance imaging with metasurfaces

AP Slobozhanyuk, AN Poddubny… - Advanced …, 2016‏ - Wiley Online Library
It is well known that the strength of a signal delivered by conventional MRI devices depends
on the static magnetic field B0 of the imaging system.[8] Over the last two decades, low-field …

Boosting magnetic resonance imaging signal-to-noise ratio using magnetic metamaterials

G Duan, X Zhao, SW Anderson, X Zhang - Communications physics, 2019‏ - nature.com
Magnetic resonance imaging (MRI) represents a mainstay among the diagnostic imaging
tools in modern healthcare. Signal-to-noise ratio (SNR) represents a fundamental …

Improving magnetic resonance imaging with smart and thin metasurfaces

E Stoja, S Konstandin, D Philipp, RN Wilke… - Scientific reports, 2021‏ - nature.com
Over almost five decades of development and improvement, Magnetic Resonance Imaging
(MRI) has become a rich and powerful, non-invasive technique in medical imaging, yet not …

Metamaterial-enhanced coupling between magnetic dipoles for efficient wireless power transfer

Y Urzhumov, DR Smith - Physical Review B—Condensed Matter and Materials …, 2011‏ - APS
Nonradiative coupling between conductive coils is a candidate mechanism for wireless
energy transfer applications. In this paper we propose a power relay system based on a …

Magnetic metamaterial superlens for increased range wireless power transfer

G Lipworth, J Ensworth, K Seetharam, D Huang… - Scientific reports, 2014‏ - nature.com
The ability to wirelessly power electrical devices is becoming of greater urgency as a
component of energy conservation and sustainability efforts. Due to health and safety …

Flexible and compact hybrid metasurfaces for enhanced ultra high field in vivo magnetic resonance imaging

R Schmidt, A Slobozhanyuk, P Belov, A Webb - Scientific reports, 2017‏ - nature.com
Developments in metamaterials and related structures such as metasurfaces have opened
up new possibilities in designing materials and devices with unique properties. Here we …

Adaptive cylindrical wireless metasurfaces in clinical magnetic resonance imaging

Z Chi, Y Yi, Y Wang, M Wu, L Wang, X Zhao… - Advanced …, 2021‏ - Wiley Online Library
The signal‐to‐noise ratio (SNR) is one of the most important criteria for evaluating the image
quality in magnetic resonance imaging (MRI), and metasurfaces with unique …

Experimental investigation of compact metamaterial for high efficiency mid-range wireless power transfer applications

A Ranaweera, TP Duong, JW Lee - Journal of Applied Physics, 2014‏ - pubs.aip.org
We investigate a compact metamaterial for enhanced magnetic coupling in a resonator
coupled wireless power transfer system operating at around 6.5 MHz. The metamaterial is …