Impact of anomalous surface boundary conditions on the planar negative‐refractive index lens

KW Eccleston - IET Microwaves, Antennas & Propagation, 2023 - Wiley Online Library
It is shown that anomalous boundary conditions at the surface of a negative‐refractive‐index
metamaterial planar lens severely diminishes the resolution of the lens when its relative …

Demonstration of a negative-refractive-index lens imaging system

KW Eccleston, Y Zhou, IG Platt, AEC Tan… - 2022 Asia-Pacific …, 2022 - ieeexplore.ieee.org
An imaging system comprising a planar negative-refractive-index lens and a pair of small
loop antennas is described. The two loops antennas are fixed on one side of the lens, and …

Ka-Band Miniaturized 90 nm Complementary Metal Oxide Semiconductor Wideband Rat-Race Coupler Using Left-Handed and Right-Handed Transmission Lines

JY Chang, TY Lo, PY Chen, TZ Wei, SP Huang… - Electronics, 2024 - mdpi.com
The traditional rat-race coupler comprises a quarter-wavelength transmission line and a
three-quarter-wavelength transmission line. In this design, the slow-wave structure …

Multipixel Metamaterial Lens Imaging System

KW Eccleston, Y Zhou, IG Platt, AEC Tan… - … IEEE Conference on …, 2022 - ieeexplore.ieee.org
An experimental 5-pixel microwave imaging system, operating at 3 GHz, is demonstrated. It
employs a planar negative-refractive index lens. A single pixel comprises a pair of small …