Dual-layer ridged waveguide slot array fed by a Butler matrix with sidelobe control in the 60-GHz band

K Tekkouk, J Hirokawa, R Sauleau… - … on Antennas and …, 2015 - ieeexplore.ieee.org
A novel multibeam antenna based on a 4× 4 Butler matrix with sidelobe level (SLL) control is
proposed in the 60-GHz band. The SLL is controlled using a dedicated circuit composed by …

Dielectric lens antennas

CA Fernandes, EB Lima… - Handbook of antenna …, 2016 - repositorio.iscte-iul.pt
Dielectric lens antennas are attracting a renewed interest for millimeter-and submillimeter-
wave applications where they become compact, especially for configurations with integrated …

A low-profile and wideband lens antenna based on high-refractive-index metasurface

QW Lin, H Wong - IEEE Transactions on Antennas and …, 2018 - ieeexplore.ieee.org
This paper presents a low-profile and wideband metamaterial-lens (metalens) antenna
based on high-refractiveindex metasurface. A novel three-layer nonresonant metamaterial …

Improvement of the scanning performance of the extended hemispherical integrated lens antenna using a double lens focusing system

NT Nguyen, AV Boriskin, L Le Coq… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
We demonstrate that an integrated lens antenna (ILA) with a double lens (DL) focusing
system can provide simultaneously a high broadside directivity and a low scan loss over a …

A dual-polarized leaky lens antenna for wideband focal plane arrays

O Yurduseven, NL Juan, A Neto - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper presents the design and measurements of a wideband dual polarized leaky lens
antenna suitable for tightly spaced focal plane arrays. The antenna is composed of two …

Generating and enhancing THz pulses via an antenna-coupled unitraveling-carrier photodiode array

M Che, K Kondo, K Kato - IEEE Transactions on Terahertz …, 2023 - ieeexplore.ieee.org
Terahertz (THz) pulses with picosecond-level duration are generated and enhanced by
fabricating arrayed InP/InGaAs unitraveling-carrier photodiodes (UTC-PDs) with integrated …

Integrated lens antennas

AV Boriskin, R Sauleau, JR Costa… - aperture antennas for …, 2018 - Springer
This chapter presents the Integrated Lens Antenna (ILA) technology as it evolved since its
introduction aiming to respond to the needs of emerging applications such as high-data-rate …

Dielectric Huygens' Metasurface Dome Antennas

SM Young, A Grbic - IEEE Antennas and Wireless Propagation …, 2022 - ieeexplore.ieee.org
This letter presents a microwave dielectric metasurface implementation comprising arrays of
high permittivity pillars of varying diameter and height embedded in a lower permittivity slab …

A Flat Dual-Polarized Millimeter-Wave Luneburg Lens Antenna Using Transformation Optics with Reduced Anisotropy and Impedance Mismatch

Y Su, T Li, W Hong, ZN Chen, AK Skrivervik - arxiv preprint arxiv …, 2024 - arxiv.org
In this paper, a compact wideband dual-polarized Luneburg lens antenna (LLA) with
reduced anisotropy and improved impedance matching is proposed in Ka band with a wide …

Beam-forming capabilities of waveguide feeds assisted by corrugated flanges

S Steshenko, M Zhadobov, R Sauleau… - … on Antennas and …, 2015 - ieeexplore.ieee.org
The physical mechanisms behind the formation of shaped-beam radiation patterns by flat
horns (ie, open ended waveguide feeds with finite-size corrugated flanges) are studied in a …