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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Continuous Leakage from Slow-Wave Structure for Integrated All-Dielectric Uniform Leaky Wave Antenna [PDF]
, 2022 We propose a concept to achieve continuous leakage from a slow-wave through a combination of tailored wave tunneling from a channel waveguide to a dielectric slab and effective-medium-based anti-reflection structures.
Headland, D., Withayachumnankul, W.
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Fabry-Perot Cavity Antennas: The Leaky-Wave Perspective [Electromagnetic Perspectives] [PDF]
, 2021 A tutorial overview is presented on the principles of operation, physical modeling, and design procedures for the class of planar radiators known as Fabry-Perot cavity antennas (FPCAs), with an emphasis on their characterization as 2D leaky-wave antennas
Galli A., Fuscaldo W., Burghignoli P.
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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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The Nature of the End-of-Scanning Region in Printed-Circuit Arrays of Leaky-Wave Antennas [PDF]
, 2002 In this work, some original behavioral features of printed-circuit arrays of leaky-wave antennas have been investigated. In particular, by means of a rigorous spectral-domain approach in the unit cell, we have studied the end-of-scanning operation of a ...
GALLI, ALESSANDRO, BACCARELLI, PAOLO
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Broadside Radiation Equalization Through Mode Coupling Balancing in Periodic Leaky-Wave Antennas [PDF]
, 2022 S.973-976Periodic leaky-wave antennas (P-LWAs) may be optimized by equalizing the resonance frequencies of the two radiation modes and their quality factors, i.e., by full-filling the frequency-balancing and Q-balancing conditions.
Heberling, D., Caloz, C., Al-Bassam, A.
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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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Linear fabry-perot/leaky-wave antennas excited by multiple sources [PDF]
, 2018 Fabry-Perot (FP)/leaky-wave antennas fed with multiple sources are analyzed and modeled. A transmission line (TL) approach for a rapid and efficient analysis of such antenna configuration is developed.
Monorchio, Agostino +3 more
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