Optical multi-beam steering and communication using integrated acousto-optics arrays [PDF]
Nature CommunicationsOptical beam steering enables optical sensing, imaging, and long-range communication over free space. Despite the inherent speed of light, advanced applications increasingly require simultaneous steering of multiple, independently controlled beams, to ...
Qixuan Lin +6 more
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Liquid Crystal Beam Steering Devices: Principles, Recent Advances, and Future Developments
Crystals, 2019 Continuous, wide field-of-view, high-efficiency, and fast-response beam steering devices are desirable in a plethora of applications. Liquid crystals (LCs)—soft, bi-refringent, and self-assembled materials which respond to various external stimuli&#
Ziqian He +5 more
doaj +3 more sources
Semi-Coprime Array with Staggered Beam-Steering of Sub-Arrays [PDF]
Sensors, 2023 A split-aperture array (SAA) is an array of sensors or antenna elements in which the array is split into two or more sub-arrays (SAs). Recently proposed SAAs, namely coprime and semi-coprime arrays, offer to attain a small half-power beamwidth (HPBW ...
Waseem Khan +6 more
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On the Implementation of a Compact Vertical DC Biasing Network with Significantly Reduced RF Components for Phase-Shifter-Free Beam Steering [PDF]
SensorsDense direct-current (DC) bias routing and numerous radio-frequency (RF) choke inductors pose major challenges to the practical implementation of phase-shifter-free beam steering using PIN-controlled phase switching.
Shuxin Zheng +3 more
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Dual-Band Passive Beam Steering Antenna Technologies for Satellite Communication and Modern Wireless Systems: A Review [PDF]
SensorsEfficient beam steerable high-gain antennas enable high-speed data rates over long-distance networks, including wireless backhaul, satellite communications (SATCOM), and SATCOM On-the-Move.
Maira I. Nabeel +4 more
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Smart Gateway for Healthcare Networks Based on Beam Steering Technology [PDF]
Sensors, 2023 To ensure high-reliability communication in healthcare networks, this paper presents a smart gateway system that includes an angle-of-arrival (AOA) estimation and a beam steering function for a small circular antenna array.
Kazuhiro Honda +2 more
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Arrayed waveguide lens for beam steering. [PDF]
Nanophotonics, 2022 Abstract Integrated planar lenses are critical components for analog optical information processing that enable a wide range of applications including beam steering. Conventional planar lenses require gradient index control which makes their on‐chip realization challenging.
Honari-Latifpour M +4 more
europepmc +4 more sources
Non-Mechanical Beam Steering with Polarization Gratings: A Review
Crystals, 2021 Polarization gratings (PGs) enable a novel architecture for dynamic non-mechanical steering of light over large angles and with large clear apertures. This beam steering approach has many applications in active sensing and optical communications. In this
Christopher Hoy +5 more
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A 4 × 4 Active Antenna Array with Adjustable Beam Steering [PDF]
Sensors, 2023 An adjustable 4×4 antenna array with electrical beam steering and polarization control is presented. Here, adjustability means the ability to correct the beam steering angle post-calibration.
Sebastian Verho +2 more
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Beam steering experiments through an optical phased array with wavelength tuning [PDF]
EPJ Web of Conferences, 2023 In this paper, we have demonstrated the beam steering experiments with the help of our optical phased array devices. The lateral beam steering has been showed successfully with the wavelength through the tunable laser source.
Muntaha Sidra Tul +5 more
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