Results 11 to 20 of about 7,494 (288)
A Ka-band one-dimensional beam scanning leaky-wave antenna based on liquid crystal [PDF]
Scientific ReportsFixed frequency beam-scanning leaky-wave antennas have been a focus of attention for many scholars in recent years, and numerous related results have been obtained. However, these antennas suffer from several issues such as small beam-scanning range, low
Shunhu Hou +6 more
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Reconfigurable Antennas Based on Pure Water
IEEE Open Journal of Antennas and Propagation, 2021 This paper is concerned with the design of reconfigurable antennas based on pure water. Being a transparent, flexible, and readily available liquid, pure water can form a cylindrical stream that can be used to guide a leaky electromagnetic wave.
Changzhou Hua +6 more
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IEEE Access, 2020 A class of 45° linearly polarized and circular polarized high scanning rate leaky wave antennas are proposed in this paper, which is based on slow-wave substrate integrated waveguide structure.
Jianwen Zhong +2 more
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Leaky Wave Radiation of a Printed Slotline Antenna [PDF]
, 2001 This paper presents a theoretical prediction of the field radiated from a uniplanar slotline antenna operating with the leaky wave. Discussion on a possible spectrum of space leaky waves is opened.
Lorenz, Petr +3 more
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Arbitrary aperture synthesis with nonlocal leaky-wave metasurface antennas
Nature Communications, 2023 The emergence of new technological needs in 5 G/6 G networking and broadband satellite internet access amplifies the demand for innovative wireless communication hardware, including high-performance low-profile transceivers.
Gengyu Xu +5 more
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Fabry-Perot Cavity Leaky Wave Antennas with Tunable Features for Terahertz Applications
Condensed Matter, 2020 Terahertz (THz) radiation is a very appealing band of the electromagnetic spectrum due to its practical applications. In this context, the THz generation and manipulation is an essential part of the technological development.
Silvia Tofani, Walter Fuscaldo
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Analysis and Design of Tunable THz 1-D Leaky-Wave Antennas Based on Nematic Liquid Crystals
Applied Sciences, 2022 The tunable properties of nematic liquid crystals (NLC) are here exploited in a peculiar leaky waveguide with artificial magnetic conductors as the lateral walls, a bottom metal ground plane, and a homogenized metasurface on top to obtain dynamic ...
Walter Fuscaldo +5 more
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Magneto-Electric Dipole Antenna Arrays [PDF]
, 2014 A planar magneto-electric (ME) dipole antenna array is proposed and demonstrated by both full-wave analysis and experiments. The proposed structure leverages the infinite wavelength propagation characteristic of composite right/left-handed (CRLH ...
Caloz, Christophe +2 more
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Analysis and Design of Checkerboard Leaky-Wave Antennas With Low Radar Cross Section
IEEE Open Journal of Antennas and Propagation, 2020 This paper addresses the analysis and design of a new class of metasurface leaky-wave antennas (LWAs) that inherently have low monostatic radar cross section (RCS) for normal incidence parallel polarization.
Subramanian Ramalingam +3 more
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Tunable periodic microstrip structure on GaAs wafer [PDF]
, 2009 A one dimensional tunable periodic structure in microstip technology on gallium arsenide (GaAs) substrate is numerically investigated. The unit cell contains a number of patches positioned between the ground plane and the microstrip line.
Esselle, K. +2 more
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