A compact triple‐band metamaterial‐inspired antenna for wearable applications

HM AlSabbagh, TA Elwi, Y Al‐Naiemy… - Microwave and …, 2020 - Wiley Online Library
A low‐profile (28 mm× 32 mm× 0.394 mm), metamaterial‐inspired antenna employing an
array of 3× 5 Hilbert‐shaped unit radiators printed on the upper side of a flexible dielectric …

Method for retrieval of electromagnetic properties of inhomogeneous reciprocal chiral metamaterials

UC Hasar, M Bute - IEEE Transactions on Antennas and …, 2020 - ieeexplore.ieee.org
We have proposed an extraction algorithm which takes into account of coupling
phenomenon for determining electromagnetic properties of inhomogeneous reciprocal …

Feasible extraction method for electromagnetic properties of multilayer metamaterials with short-circuit termination

UC Hasar, G Ozturk, Y Kaya, M Bute… - … on Antennas and …, 2022 - ieeexplore.ieee.org
An extraction technique is proposed for electromagnetic characterization of metal-backed
multilayer metamaterial (MM) structures demonstrating reflection-asymmetric property. It …

Compact metamaterial-based single/double-negative/near-zero index resonator for 5G sub-6 GHz wireless applications

SK Ibrahim, SS Al-Bawri, MJ Singh, HH Ibrahim… - Scientific Reports, 2024 - nature.com
The concept, performance, and analyses of distinctive, miniaturized metamaterial (MTM) unit
cell addressing the forthcoming Sub 6 GHz 5G applications are presented in this paper. Two …

Effective-medium characteristics of reflective metasurface: A quasi-one-port network theory

FY Han, FH Li, JY Liu, PK Liu - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Reflective metasurfaces are utilized as a bridge linking propagating waves and surface
waves. However, the effective constitutive parameters (permittivity and permeability) cannot …

Determination of propagation constant and impedance of non-reciprocal networks/lines using a generalized line-line method

UC Hasar, H Ozturk, H Korkmaz, MA Ozkaya… - Measurement, 2023 - Elsevier
Abstract A novel “line-line”(LL) method is generalized to determine forward and backward
propagation constants (γ+ and γ−) and wave impedances (Z+ and Z−) of non-reciprocal …

Terahertz Near‐Field Metasurfaces: Amplitude–Phase Combined Steering and Electromagnetostatic Dual‐Field Superfocusing

FY Han, PK Liu - Advanced Optical Materials, 2020 - Wiley Online Library
Subwavelength resolution imaging entails a sharpened superfocusing to overcome the
diffraction limit. However, conventional high‐numerical‐aperture superfocusing lenses are …

A novel design reconfigurable antenna based on the metamaterial for wearable applications

M Al Gburi, M Ilyas - Journal of Physics: Conference Series, 2021 - iopscience.iop.org
A novel design of wearable antenna depending on metamaterials inspired-fractal Minkowski-
shaped for industrial, scientific, and medical (ISM) applications is presented. The antenna …

Determination of constitutive parameters of strong-coupled bianisotropic metamaterials using oblique incidence scattering parameters

G Ozturk, UC Hasar, M Bute… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
An attractive extraction method has been proposed to determine all constitutive parameters
of diagonal permittivity and permeability tensors in addition to the coupling term (a total of …

Robust Effective‐Medium Characteristics of Bianisotropic Reflective Metasurfaces based on Field‐Circuit Combined Analysis

FY Han, LZ Yin, CH Du, PK Liu - Advanced Theory and …, 2021 - Wiley Online Library
As a bridge linking propagating waves and surface waves, reflective metasurfaces (with
metal cladding at the bottom) play a significant role in the field of beam steering. The …