Results 1 to 10 of about 347,807 (287)

Integrated Optical Phased Arrays for Beam Forming and Steering

open access: yesApplied Sciences (Switzerland), 2021
Integrated optical phased arrays can be used for beam shaping and steering with a small footprint, lightweight, high mechanical stability, low price, and high-yield, benefiting from the mature CMOS-compatible fabrication.
Yuhao Guo, Xiaoyan Zhou, Yongjun Guo
exaly   +4 more sources

Flexible Phased Antenna Arrays: A Review

open access: yesSensors
Flexibility in phased antenna arrays open the world of new applications. Such arrays can conform to different shapes while ensuring performance in harsh conditions.
Luciano Mescia, Chietera F P
exaly   +4 more sources

Single-Layer Wide-Angle Scanning Linear Phased Arrays Based on Multimode Microstrip Patch Elements [PDF]

open access: yesMicromachines, 2023
This paper introduces a novel single-layer microstrip patch element designed to achieve a wide beamwidth, in order to address the growing demand for wide-angle scanning capabilities in modern phased array systems.
Dongsheng Li   +10 more
doaj   +2 more sources

Implantable silicon neural probes with nanophotonic phased arrays for single-lobe beam steering [PDF]

open access: yesCommunications Engineering
In brain activity mapping with optogenetics, patterned illumination is crucial for targeted neural stimulation. However, due to optical scattering in brain tissue, light-emitting implants are needed to bring patterned illumination to deep brain regions ...
Fu-Der Chen   +14 more
doaj   +2 more sources

Frequency selective wave beaming in nonreciprocal acoustic phased arrays [PDF]

open access: yesScientific Reports, 2020
Acoustic phased arrays are capable of steering and focusing a beam of sound via selective coordination of the spatial distribution of phase angles between multiple sound emitters.
Revant Adlakha   +4 more
doaj   +2 more sources

Simultaneous Multibeam Clustered Phased Arrays Analysis Using Mixed and Multiple Antenna Element Factors [PDF]

open access: yesSensors
A novel design strategy for improving the radiative performance of simultaneous multibeam (SMB) phased arrays is addressed. The proposed scheme relies on the adoption of mixed and multiple antenna element factors with a dynamic selection of their ...
Francesco Alessio Dicandia   +1 more
doaj   +2 more sources

Application of Phase-Reversal Fresnel Zone Plates for Improving The Elevation Resolution in Ultrasonic Testing with Phased Arrays [PDF]

open access: yesSensors, 2019
Currently, phased arrays have found wide application in ultrasonic nondestructive testing.
Dmitry O. Dolmatov   +5 more
doaj   +2 more sources

Achromatic beam deflector with electrodynamic phased arrays [PDF]

open access: yesLight: Science & Applications
Since flat optics has the feature to implement a compact system, they are widely used in various applications to replace bulky refractive optics. However, they suffer from chromatic aberrations due to dispersion, limiting their effectiveness to a narrow ...
Jungkwuen An   +7 more
doaj   +2 more sources

Studies of Angular Resolution for Acoustic Arc Arrays

open access: yesSensors, 2023
Currently, phased arrays are increasingly used in ultrasonic nondestructive testing. One of the most important parameters of ultrasonic nondestructive testing with the application of phased arrays is the angular resolution.
Dmitry A. Sednev   +5 more
doaj   +1 more source

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