Готові списки джерел за темами / Digitally reconfigurable metasurface

Добірка наукової літератури з теми "Digitally reconfigurable metasurface"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Digitally reconfigurable metasurface"

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Luo, Zhangjie, Qiang Wang, Xin Ge Zhang, Jun Wei Wu, Jun Yan Dai, Lei Zhang, Hao Tian Wu, et al. "Intensity‐Dependent Metasurface with Digitally Reconfigurable Distribution of Nonlinearity." Advanced Optical Materials 7, no. 19 (July 10, 2019): 1900792. http://dx.doi.org/10.1002/adom.201900792.

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Luo, Zhangjie, Qiang Wang, Xin Ge Zhang, Jun Wei Wu, Jun Yan Dai, Lei Zhang, Hao Tian Wu, et al. "Digital Nonlinear Metasurfaces: Intensity‐Dependent Metasurface with Digitally Reconfigurable Distribution of Nonlinearity (Advanced Optical Materials 19/2019)." Advanced Optical Materials 7, no. 19 (October 2019): 1970071. http://dx.doi.org/10.1002/adom.201970071.

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Jiang, Xuqian, Fuju Ye, Hongrui Tan, Sisi Luo, Haoyang Cui, and Lei Chen. "Digital Programmable Metasurface with Element-Independent Visible-Light Sensing." Electronics 12, no. 1 (January 3, 2023): 241. http://dx.doi.org/10.3390/electronics12010241.

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Анотація:
The application of jointing multiple physical field sensing with electromagnetic (EM) wave manipulation is a hot research topic recently. Refined perception and unit-level independent regulation of metasurfaces still have certain challenges. In this paper, we propose a digital programmable metasurface that can adaptively achieve various EM functions by sensing the color changes of the incident light, which enables unit-level sensing and modulation. Integrating trichromatic sensors, FPGA, and algorithm onto the metasurface has established a metasurface architecture for electromagnetic scattering field modulation from complex optics to microwave wavelengths, which enables a wide variety of light sensing for modulation. The metasurface integrated with PIN diodes and trichromatic color sensors forms a complete intelligent system of adaptive and reconfigurable coding patterns, within the pre-designed control of FPGA. We fabricated the metasurface using standard printed circuit board (PCB) technology and measured the metasurface in far-fields. The measurement results show good agreement with the simulation results, verifying our design. We envision that the proposed programmable metasurface with visible light sensing will provide a new dimension of manipulation from this perspective.
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Soltani, Imen, Takoua Soltani, and Taoufik Aguili. "Electromagnetic modeling of a reconfigurable graphene-based metasurface using MoM-GEC method for 3D digital holography." Journal of Electromagnetic Waves and Applications 33, no. 13 (June 12, 2019): 1661–80. http://dx.doi.org/10.1080/09205071.2019.1627911.

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Wu, Liang Wei, Hui Feng Ma, Rui Yuan Wu, Qiang Xiao, Yue Gou, Meng Wang, Zheng Xing Wang, et al. "Transmission‐Reflection Controls and Polarization Controls of Electromagnetic Holograms by a Reconfigurable Anisotropic Digital Coding Metasurface." Advanced Optical Materials 8, no. 22 (September 21, 2020): 2001065. http://dx.doi.org/10.1002/adom.202001065.

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Taravati, Sajjad, and George V. Eleftheriades. "Programmable nonreciprocal meta-prism." Scientific Reports 11, no. 1 (April 1, 2021). http://dx.doi.org/10.1038/s41598-021-86597-1.

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Анотація:
AbstractOptical prisms are made of glass and map temporal frequencies into spatial frequencies by decomposing incident white light into its constituent colors and refract them into different directions. Conventional prisms suffer from their volumetric bulky and heavy structure and their material parameters are dictated by the Lorentz reciprocity theorem. Considering various applications of prisms in wave engineering and their growing applications in the invisible spectrum and antenna applications, there is a demand for compact apparatuses that are capable of providing prism functionality in a reconfigurable manner, with a nonreciprocal/reciprocal response. Here, we propose a nonreciprocal metasurface-based prism constituted of an array of phase- and amplitude-gradient frequency-dependent spatially variant radiating super-cells. In conventional optical prisms, nonreciprocal devices and metamaterials, the spatial decomposition and nonreciprocity functions are fixed and noneditable. Here, we present a programmable metasurface integrated with amplifiers to realize controllable nonreciprocal spatial decomposition, where each frequency component of the incident polychromatic wave can be transmitted under an arbitrary and programmable angle of transmission with a desired transmission gain. Such a polychromatic metasurface prism is constituted of frequency-dependent spatially variant transistor-based phase shifters and amplifiers for the spatial decomposition of the wave components. Interesting features include three-dimensional prism functionality with programmable angles of refraction, power amplification, and directive and diverse radiation beams. Furthermore, the metasurface prism can be digitally controlled via a field- programmable gate array (FPGA), making the metasurface a suitable solution for radars, holography applications, and wireless telecommunication systems.
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Roy, Aritra, Yalagala Naresh, Ashwin Padmanabhan, Ananthanarayanan Chockalingam, and K. J. Vinoy. "Digitally Reconfigurable Metasurface Array for a Multipath Based Wireless Link With Media-Based Modulation." IEEE Transactions on Microwave Theory and Techniques, 2022, 1–9. http://dx.doi.org/10.1109/tmtt.2022.3207988.

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Liu, Shuo, Shaojie Ma, Ruiwen Shao, Lei Zhang, Tao Yan, Qian Ma, Shuang Zhang, and Tie Jun Cui. "Moiré metasurfaces for dynamic beamforming." Science Advances 8, no. 33 (August 19, 2022). http://dx.doi.org/10.1126/sciadv.abo1511.

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Анотація:
Recent advances in digitally programmable metamaterials have accelerated the development of reconfigurable intelligent surfaces (RIS). However, the excessive use of active components (e.g., pin diodes and varactor diodes) leads to high costs, especially for those operating at millimeter-wave frequencies, impeding their large-scale deployments in RIS. Here, we introduce an entirely different approach—moiré metasurfaces—to implement dynamic beamforming through mutual twists of two closely stacked metasurfaces. The superposition of two high-spatial-frequency patterns produces a low-spatial-frequency moiré pattern through the moiré effect, which provides the surface impedance profiles to generate desired radiation patterns. We demonstrate experimentally that the direction of the radiated beams can continuously sweep over the entire reflection space along predesigned trajectories by simply adjusting the twist angle and the overall orientation. Our work opens previously unexplored directions for synthesizing far-field scattering through the direct contact of mutually twisted metallic patterns with different plane symmetry groups.
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"Design of 1-Bit Digital Reconfigurable Reflective Metasurface for Beam-Scanning." Applied Sciences 7, no. 9 (August 28, 2017): 882. http://dx.doi.org/10.3390/app7090882.

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Wu, Liang Wei, Qiang Xiao, Yue Gou, Rui Yuan Wu, Peng Xu, Ye Ming Qing, Zheng Xing Wang, Lei Bao, Hui Feng Ma, and Tie Jun Cui. "Electromagnetic Diffusion and Encryption Holography Integration Based on Reflection–Transmission Reconfigurable Digital Coding Metasurface." Advanced Optical Materials, March 24, 2022, 2102657. http://dx.doi.org/10.1002/adom.202102657.

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Частини книг з теми "Digitally reconfigurable metasurface"

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Ulomi, George Shilela, and Hassan Kilavo. "A Dual Band Frequency Reconfigurable Metasurface Antenna." In Advances in Electronic Government, Digital Divide, and Regional Development, 246–54. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-6471-4.ch013.

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Анотація:
In this chapter, a single feed metasurface antenna with smooth dual-band frequency reconfiguration is proposed. The designed antenna has a simple and compact structure to be used in portable wireless communication devices. The antenna consists of two circular layers of substrate material placed one on top of the other. The lower layer is printed with a rectangular patch antenna in one side, and the other side is a ground plane. The upper substrate layer lay on top of patch antenna side is printed with a number of unit-cells on its upper side. To achieve frequency reconfiguration, the upper substrate layer is mechanically rotated at an angle θz in a clockwise direction along Z-axis. Based on rotation angle, the antenna scattering parameters (S11 and S21) of the unit cell are subjected to change which thereby affects relative permittivity of the upper layer resulting to a frequency reconfiguration.
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Тези доповідей конференцій з теми "Digitally reconfigurable metasurface"

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Lippke, Marius, Endri Stoja, Dennis Philipp, Simon Konstandin, Jurgen Jenne, Thomas Bertuch, and Matthias Gunther. "Investigation of a Digitally-Reconfigurable Metasurface for Magnetic Resonance Imaging." In 2022 52nd European Microwave Conference (EuMC). IEEE, 2022. http://dx.doi.org/10.23919/eumc54642.2022.9924424.

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Ni, Gang, Chong He, Qingqing Wu, and Ronghong Jin. "Reconfigurable Direct Digital Modulation with Time-modulated Metasurface." In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/USNC-URSI). IEEE, 2022. http://dx.doi.org/10.1109/ap-s/usnc-ursi47032.2022.9886260.

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Luo, Zhangjie, Xueyao Ren, Qiang Cheng, and Tie Jun Cui. "Reconfigurable Electromagnetic Diode and Limiter via Digital Nonlinear Metasurface." In 2021 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2021. http://dx.doi.org/10.1109/icmmt52847.2021.9618563.

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Han, Jiaqi, Weimin Xue, Na Kou, and Long Li. "Design and experiment of varactor tuned digital reconfigurable reflective metasurface unit." In 2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP). IEEE, 2017. http://dx.doi.org/10.1109/apcap.2017.8420491.

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Deng, Qinling, Ruirui Song, Yan Tang, and Shaolin Zhou. "Electrically reconfigurable terahertz digital metasurface based on vanadium dioxide phase transition." In Conference on Photonic MEMS, THz MEMS and Metamaterials, edited by Huikai Xie, Yun-Feng Xiao, and Yuelin Wang. SPIE, 2021. http://dx.doi.org/10.1117/12.2601956.

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da Silva, Luis G., and S. Arismar Cerqueira. "Wide Incident Angle Digital Coding Metasurface Applied to Reconfigurable Intelligent Surfaces." In 2021 Antenna Measurement Techniques Association Symposium (AMTA). IEEE, 2021. http://dx.doi.org/10.23919/amta52830.2021.9620722.

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Lan, Feng, Guiju He, Yibo Pan, Munan Yang, Jing Yin, Yaxin Zhang, and Ziqiang Yang. "Terahertz Digital Beam Steering via Modularly Reconfigurable HEMT-embedded Metasurfaces." In 2021 Photonics & Electromagnetics Research Symposium (PIERS). IEEE, 2021. http://dx.doi.org/10.1109/piers53385.2021.9695110.

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Dhote, Chandresh, and Anamika Singh. "Digital Coding EM Metasurface to Reconfigurable the Radiation Beam Controlled by Light." In 2022 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON). IEEE, 2022. http://dx.doi.org/10.1109/mapcon56011.2022.10047455.

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Zhang, Xin Ge, Dongcun Pan, and Wei Xiang Jiang. "Reconfigurable 2-bit Digital Coding Metasurfaces in a non-contact way." In 2018 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC). IEEE, 2018. http://dx.doi.org/10.1109/csqrwc.2018.8455578.

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