A Wideband GRIN Dielectric Lens Antenna for 5G Applications [PDF]
Micromachines, 2023 This paper proposes a graded effective refractive indexes (GRIN) dielectric lens for 5G applications. The inhomogeneous holes in the dielectric plate are perforated to provide GRIN in the proposed lens.
Khaled Aljaloud +4 more
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Reconfigurable biconcave lens antenna based on plasma technology [PDF]
Scientific Reports, 2023 This article is focused on the application of plasma technology for the development of microwave lens antennas with electronically controllable radiation gain.
Fatemeh Sadeghikia +4 more
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A Lens Antenna with Reconfigurable Beams for mmWave Wind Profile Radar [PDF]
Sensors, 2022 Wind profile radar systems require antennas with multiple radiation beams for detecting wind velocity, as well as with a low sidelobe and dual polarization for enhancing the sensitivity for the weak signal reflected from the turbulence.
Yafei Ding +3 more
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Design and implementation of a terahertz lens-antenna for a photonic integrated circuits based THz systems [PDF]
Scientific Reports, 2022 A new integrated lens-antenna is designed and implemented for a nanocontact based terahertz (THz) photomixer. The new design replaces the standard conventional bulky silicon lens, which normally no THz photomixer can avoid. The Fresnel Zone Plate is used
Shihab Al-Daffaie +3 more
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Design method of a focusing dielectric lens antenna and temperature increment measurement at the focusing spot [PDF]
HeliyonIn radio wave hyperthermia therapy, array antenna configuration was mainly studied to generate a small spot at the diseased part. Array antennas have the flexibility in controlling radiation performance, such as spot positions, by using their numerous ...
Amirah Abd Rahman +3 more
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A Volumetric Waveguide-Type Rotman Lens Antenna for Three-Dimensional Millimeter-Wave Beamforming [PDF]
SensorsIn this paper, a volumetric Rotman lens antenna operating at 28 GHz is proposed. The design formula and procedure were derived for the 3-D Rotman lens antenna. The number of tilted beams is 3 × 3. The six rectangular blocks are assembled using a metallic
Dong-Woo Kim, Soon-Soo Oh
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Corrugated horn antenna with perforated dielectric lens for radar-based level sensing in high-temperature, high-pressure environments [PDF]
Scientific ReportsThis study proposes a perforated dielectric lens integrated with a corrugated horn antenna specifically designed for radar-based level sensor applicable in high-temperature and high-pressure environments. The proposed horn lens antenna operates at 60 GHz,
DoHeung Yu +6 more
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Miniaturized Lens Antenna with Enhanced Gain and Dual-Focusing for Millimeter-Wave Radar System [PDF]
MicromachinesThis paper presents a waveguide Lens antenna at the W-band adopting dual-focusing Lens to improve the performance. The Lens antenna consisted of a waveguide slotted structure and lenses processed using NOA73 meet the demands of miniaturization for ...
Jian Wang +4 more
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Meta-lens-based circularly polarized fixed-beam antenna for high-gain wideband millimeter-wave applications [PDF]
Scientific ReportsA planar metamaterial lens-based single-element circularly polarized (CP) antenna for millimeter wave (mm-wave) band applications is presented. The proposed antenna consists of a modified patch excited by a single-point-fed coaxial probe and two ...
Ubaid Ullah +2 more
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Broadband High-Gain Dual-Polarized Filtering Antenna Using a Partially Reflective Surface Lens for 5G Millimeter-Wave Sensor Applications [PDF]
SensorsThis paper presents a dual-polarized millimeter-wave filtering antenna based on a broadband partially reflective surface lens for gain improvement. It consists of a magneto-electric dipole (M-E dipole) as the source and a partially reflective surface ...
Yao Zhang, Huazhu Liu
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