Showing 1 - 20 results of 20 for search 'beam role array', query time: 0.07s Refine Results
  1. 1

    Developing system arrays for Nuclear Astrophysics with γ beams by Guardo Giovanni Luca, Lattuada Dario, Petruse Teodora

    Published 2025-01-01
    “…The advent of advanced facilities capable of generating high-intensity, high-resolution gamma-ray beams unlocks exciting opportunities for astrophysical research. …”
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  2. 2

    Paraxial evolution dynamics of radially polarized Airy Gaussian vortex beam array in uniaxial crystals by Long Jin

    Published 2025-03-01
    “…We conduct both analytical and numerical investigations into the evolution properties of radially polarized Airy Gaussian vortex beam arrays (RPAiGVBAs) in uniaxial crystals oriented orthogonally to the optical axis, within the framework of the paraxial approximation. …”
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  3. 3

    Properties of the Rotation and Mergence of Twisted Gaussian Schell Model Array Beams Propagating in Turbulent Biological Tissues by Yang Xianyang, Fu Wenyu

    Published 2022-01-01
    “…In this paper, an analytical expression for describing propagation properties of twisted Gaussian Schell model array (TGSMA) beams through turbulent biological tissues is derived based on the extended Huygens Fresnel integral. …”
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  4. 4

    Broadband, Single‐Layered, and Optically Transparent Reflective Phase‐Shifting‐Surface Array for Beam Manipulation and Enhanced Wireless Communications by Longzhu Cai, Jianjing Zhou, Jiaqi Zhou, Lei Zhang, Zhi Hao Jiang, Wei Hong

    Published 2025-06-01
    “…Current materials, fabrication processes, and design methodologies restrict the development of high‐performance optically transparent reflective phase‐shifting‐surface arrays or reflectarrays. To address this, a design concept for broadband, single‐layered, and optically transparent reflectarray antennas is reported, which can be integrated with glass windows for beam manipulation and enhanced indoor signal coverage and wireless communications. …”
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  5. 5

    Integrated circuits based on broadband pixel-array metasurfaces for generating data-carrying optical and THz orbital angular momentum beams by Willner Alan E., Su Xinzhou, Song Hao, Zhou Huibin, Zou Kaiheng

    Published 2023-03-01
    “…To help enable future deployment of OAM-based communications, an ecosystem of compact and cost-effective OAM generators and detectors is likely to play an important role. Desired features of such integrated circuits include generating and detecting multiple coaxial OAM beams, tunability of OAM orders, and operation over a wide bandwidth. …”
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  6. 6

    Enhanced Supermode Stability in Weakly Anti-Guided Dual-Cavity Photonic Crystal VCSEL Arrays by Dan W. Pflug, Chloe Armstrong, Erin Raftery, Nusrat Jahan, William North, Luke Graham, Jim Tatum, Kent D. Choquette

    Published 2025-01-01
    “…The ability to selectively operate in either distinct supermode, combining the output from two elements, positions these VCSEL arrays as promising candidates for high-brightness applications requiring efficient beam control.…”
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  7. 7

    Nanoscale Noncoplanar Beam Splitters With Tunable Split Ratio by Shengnan Tian, Hanming Guo, Jinbing Hu, Songlin Zhuang

    Published 2020-01-01
    “…Beam splitters, especially those with tunable split ratios, play significant role in interferometers, spectrometers, and communication systems. …”
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  8. 8

    Global alignment reference strategy for laser interference lithography pattern arrays by Xiang Gao, Jingwen Li, Zijian Zhong, Xinghui Li

    Published 2025-03-01
    “…To achieve global alignment, the exposure area is adjusted by alternating between moving the beam and the substrate. In our experiment, a 3 × 3 regions grating array was fabricated, and the −1st-order diffraction wavefront measured by the Fizeau interferometer exhibited good continuity. …”
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  9. 9

    Nanoantennas and metasurfaces tailored by electron beam lithography and substrate conductivity by Li Liu, Aaron Holzer, Neal Raney, Viktoriia E. Babicheva

    Published 2025-08-01
    “…This work explores the impact of EBL exposure on the size and uniformity of nanoantennas in periodic arrays, with a focus on the role of substrate conductivity. …”
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  10. 10

    Near-Field Hierarchical Localization for Integrated Sensing and Communication by Giorgos Stratidakis, Sotiris Droulias, Angeliki Alexiou

    Published 2025-01-01
    “…Localization is expected to play a significant role in future wireless networks, as positioning and situational awareness, navigation and tracking, are integral parts of 6G usage scenarios. …”
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  11. 11

    Electronic control of directional properties of reconfigurable plasmonic graphene-based antenna arrays with frequency scanning in the mid-IR range by G.S. Makeeva

    Published 2024-12-01
    “…The purpose of the work is to study using the CST MWS 2023 software package the electronic control of the directional properties of reconfigurable plasmonic graphene antenna arrays, i.e. the main beam of the radiation pattern (RP), by using electrical frequency tunability by changing the chemical potential of graphene (by applying an external electric field), scanning the RP and changing the shape and parameters of the RP in the mid-IR range. …”
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  12. 12

    6G Communications in the Terahertz Band: The Impact of Near-Field Dynamics Under User Micromobility by Dmitri Moltchanov, Olga Chukhno, Nadezhda Chukhno, Antonella Molinaro

    Published 2025-01-01
    “…The Terahertz (THz) frequency band (<inline-formula> <tex-math notation="LaTeX">$0.1-3$ </tex-math></inline-formula>THz), which is anticipated to play a crucial role in 6G and future cellular systems, requires the deployment of massive antenna arrays that create highly directional radiation patterns. …”
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  13. 13
  14. 14

    Mutually Orthogonal Golay Complementary Sequences in Synthetic Aperture Imaging Systems by Ihor TROTS

    Published 2015-04-01
    “…The main objective of this study is to improve the ultrasound image by employing a new algorithm based on transducer array element beam pattern correction implemented in the synthetic transmit aperture (STA) method combined with emission of mutually orthogonal complementary Golay sequences. …”
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  15. 15

    The Review of Beamforming Technology Based on Optical True Time Delay Line by Shiyi XIA, Guotong LI

    Published 2022-06-01
    “…The important role satellite communications plays in next-generation communication protocols brings both opportunities and challenges.Beamforming is an essential technology for effi cient and fl exible utilization of onboard resources.To explored a better beamforming technology, the optical control beamforming composed of the optical real-time delay line and the traditional analog beam were compared in principle.The phased array beamforming technology based on optical true time delay line meets the expectations of small size, lightweight, and low power in satellite communication.Phased arrays based on optical true delay lines could easily achieved no squint during beam scanning.The technical advantages and constraints of beamforming of optical real-time delay lines under diff erent technical paths were analyzed.For example, based on micro-ring resonator arrays, based on grating delay lines, based on multi-path switching and optical switches, and based on wavelength-selective optical true time delay lines.Finally, the research status of the existing optical beamforming technology was summarized.The possibility of realization in satellite interconnection was proposed, and its future development direction was predicted.…”
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  16. 16

    Plasmonic and Lattice Resonances in Flexible Metasurfaces for Enhanced Mechano-Optical Properties by Tao Wei, Maurer Thomas, Fleischer Monika

    Published 2025-01-01
    “…Optical characterization demonstrated distinct resonance behaviors: rigid substrate-based Au disc arrays exhibited surface lattice resonances at 575 nm, while transferred nanoring arrays on polydimethylsiloxane showed localized surface plasmon resonance shifts under strain. …”
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  17. 17

    Spectroscopy and Modeling of ^{171}Yb Rydberg States for High-Fidelity Two-Qubit Gates by Michael Peper, Yiyi Li, Daniel Y. Knapp, Mila Bileska, Shuo Ma, Genyue Liu, Pai Peng, Bichen Zhang, Sebastian P. Horvath, Alex P. Burgers, Jeff D. Thompson

    Published 2025-01-01
    “…Highly excited Rydberg states and their interactions play an important role in quantum computing and simulation. These properties can be predicted accurately for alkali atoms with simple Rydberg level structures. …”
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  18. 18

    VLBI Imaging of Parsec-scale Radio Structures in Nearby Low-luminosity Active Galactic Nuclei by Xiaopeng Cheng, Tao An, Willem A. Baan, Ranieri D. Baldi, David R. A. Williams-Baldwin, Bong Won Sohn, Robert Beswick, Ian M. McHardy

    Published 2025-01-01
    “…We report the results of high-resolution 5 GHz Very Long Baseline Array and European VLBI Network observations of 36 nearby galaxies, an extension of the Legacy e-MERLIN Multi-band Imaging of Nearby Galaxies survey. …”
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  19. 19

    An Experimental Study on the Reflection Characteristics of Laser Echo Light Waves by Xinyu Liu, Xizheng Ke, Jingyuan Liang, Rui Wang

    Published 2025-04-01
    “…In this paper, a 0.8 km and a 4 km corner reflector array experimental return link were built. Under different weather conditions, the experiment obtained light intensity data samples and echo spot video data. …”
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  20. 20

    Simulation and Experimental Analysis of L-Section in Reinforced Cement Concrete: Uncertainties in Performance and Strength by Balakrishna Srinivas Maddodi, Nithesh Naik, Prasanna Kumar Maddikeri, Shivani Chougule, Shahid Malik Abdu, Dhanaraj Bharathi Narasimha, Ankit Kumar Dubey, Sonal Devesh

    Published 2024-02-01
    “…The design and construction of reinforced cement concrete (RCC) flooring play a crucial role in the overall stability of a structure, particularly in regions prone to tectonic activity. …”
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