Results 11 to 20 of about 2,176 (250)

All-Solid-State Optical Phased Arrays of Mid-Infrared Based Graphene-Metal Hybrid Metasurfaces [PDF]

Nanomaterials, 2021
Optical phased arrays (OPAs) are essential optical elements in applications that require the ability to manipulate the light-wavefront, such as beam focusing and light steering.
Yue Wang, Yu Wang, Guohui Yang, Qingyan Li, Yu Zhang, Shiyu Yan, Chunhui Wang   +6 more
doaj   +4 more sources

All-optically controlled phased-array for ultrasonics [PDF]

Nature Communications
The ability to dynamically shape ultrasound fields is critical for emerging applications in therapeutic ultrasound, particle manipulation and tissue engineering.
Rahul Goyal, Oscar Demeulenaere, Marc Fournelle, Athanasios G. Athanassiadis, Peer Fischer   +4 more
doaj   +6 more sources

Circular Optical Phased Arrays with Radial Nano-Antennas [PDF]

Nanomaterials, 2022
On-chip optical phased arrays (OPAs) are the enabling technology for diverse applications, ranging from optical interconnects to metrology and light detection and ranging (LIDAR).
Qiankun Liu, Daniel Benedikovic, Tom Smy, Ahmad Atieh, Pavel Cheben, Winnie N. Ye   +5 more
doaj   +2 more sources

Deep neural network-based phase calibration in integrated optical phased arrays [PDF]

Scientific Reports, 2023
Calibrating the phase in integrated optical phased arrays (OPAs) is a crucial procedure for addressing phase errors and achieving the desired beamforming results.
Jae-Yong Kim, Junhyeong Kim, Jinhyeong Yoon, Seokjin Hong, Berkay Neseli, Namhyun Kwon, Jong-Bum You, Hyeonho Yoon, Hyo-Hoon Park, Hamza Kurt   +9 more
doaj   +2 more sources

Integrated Optical Phased Arrays for Beam Forming and Steering

Applied Sciences, 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.
Yongjun Guo, Yuhao Guo, Chunshu Li, Hao Zhang, Xiaoyan Zhou, Lin Zhang   +5 more
doaj   +3 more sources

Design of Monolithic 2D Optical Phased Arrays Heterogeneously Integrated with On-Chip Laser Arrays Based on SOI Photonic Platform [PDF]

Micromachines, 2022
In this work, heterogeneous integration of both two-dimensional (2D) optical phased arrays (OPAs) and on-chip laser arrays based on a silicon photonic platform is proposed.
Jian Yue, Anqi Cui, Fei Wang, Lei Han, Jinguo Dai, Xiangyi Sun, Hang Lin, Chunxue Wang, Changming Chen, Daming Zhang   +9 more
doaj   +2 more sources

Optical tweezing of microparticles and cells using silicon-photonics-based optical phased arrays [PDF]

Nature Communications
Integrated optical tweezers have the potential to enable highly-compact, low-cost, mass-manufactured, and broadly-accessible optical manipulation when compared to standard bulk-optical tweezers.
Tal Sneh, Sabrina Corsetti, Milica Notaros, Kruthika Kikkeri, Joel Voldman, Jelena Notaros   +5 more
doaj   +2 more sources

Optical phased arrays for wavefront shaping in forward scattering media [PDF]

Nanophotonics
High-resolution optical imaging in thick tissue samples remains elusive, mainly because of the scattering exhibited by the tissue. With increasing depth, the number of nonscattered photons exponentially decreases – limiting the use of conventional ...
Milojković Filip, Verellen Niels, Jansen Roelof, Peyskens Frédéric, Rottenberg Xavier, Van Dorpe Pol   +5 more
doaj   +2 more sources

Reduced-crosstalk antennas for grating-lobe-free and wide-field-of-view integrated optical phased arrays [PDF]

Nature Communications
Integrated optical phased arrays (OPAs) have emerged as a promising technology for many applications due to their ability to dynamically control free-space optical beams in a compact and non-mechanical manner.
Henry Crawford-Eng, Andres Garcia Coleto, Benjamin M. Mazur, Daniel M. DeSantis, Tal Sneh, Jelena Notaros   +5 more
doaj   +2 more sources

Toward Practical Optical Phased Arrays through Grating Antenna Engineering

Photonics, 2023
In recent years, using silicon-based waveguide grating antennas in optical phased array has become a research focus. To date, this technique has not been widely implemented in practical applications.
Youqiang Shuai, Zhiping Zhou, Hui Su
doaj   +3 more sources