Metamaterial-based efficient electrically small antennas

RW Ziolkowski, A Erentok - IEEE Transactions on antennas and …, 2006 - ieeexplore.ieee.org
A metamaterial paradigm for achieving an efficient, electrically small antenna is introduced.
Spherical shells of homogenous, isotropic negative permittivity (ENG) material are designed …

Window RF shielding film using printed FSS

AA Dewani, SG O'Keefe, DV Thiel… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Frequency-selective surfaces (FSSs) on thin substrates using screen printing technology are
popular due to their flexible nature, low profile, easy installation, and low-cost mass …

High impedance metamaterial surfaces using Hilbert-curve inclusions

J McVay, N Engheta, A Hoorfar - IEEE Microwave and Wireless …, 2004 - ieeexplore.ieee.org
A metamaterial surface, composed of a periodic arrangement of Hilbert Curve inclusions
above a conducting ground plane, is analyzed numerically and is shown to possess the …

Space-filling curve RFID tags

J McVay, A Hoorfar, N Engheta - 2006 IEEE Radio and …, 2006 - ieeexplore.ieee.org
A completely passive radio frequency tag is proposed, utilizing the scattering from
electrically small but resonant inclusions. When placing these space-filling curve inclusions …

Hilbert fractal antenna for UHF detection of partial discharges in transformers

J Li, T Jiang, C Cheng, C Wang - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Electromagnetic waves generated due to partial discharge (PD) can be captured by ultra-
high-frequency (UHF) antennas. The size and frequency band of an UHF antenna for PD …

Impedance matching and implementation of planar space-filling dipoles as intraocular implanted antennas in a retinal prosthesis

K Gosalia, MS Humayun, G Lazzi - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
In this work, an extremely compact planar meander line dipole is designed and implemented
for use as an intraocular element in a retinal prosthesis. This planar meander dipole …

Optimization of UHF Hilbert antenna for partial discharge detection of transformers

J Li, T Jiang, C Wang, C Cheng - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Partial discharge (PD) online monitoring is an effective tool of inspecting insulation defects
and identifying potential faults in power transformers. Ultra-high-frequency (UHF) …

Topology optimization of sub-wavelength antennas

A Erentok, O Sigmund - IEEE transactions on antennas and …, 2010 - ieeexplore.ieee.org
We propose a topology optimization strategy for the systematic design of a three-
dimensional (3D), conductor-based sub-wavelength antenna. The post-processed finite …

Low-profile, multi-element, miniaturized monopole antenna

W Hong, K Sarabandi - IEEE Transactions on Antennas and …, 2009 - ieeexplore.ieee.org
A low-profile, electrically small antenna with omnidirectional vertically polarized radiation
similar to a short monopole antenna is presented. The antenna features less than λ/40 …

Singly and dual polarized convoluted frequency selective structures

B Sanz-Izquierdo, EA Parker… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
Convoluting the elements of frequency selective surfaces produces resonating structures
with very small unit cell dimensions. This feature is attractive when the FSS is to be used at …