Results 1 to 10 of about 4,017 (247)
Advanced Science, 2021 Recently, programmable metamaterials or metasurfaces have been developed to dynamically edit electromagnetic waves for realizing different functions in the same platform.
Lei Bao +5 more
doaj +4 more sources
Dynamic millimeter-wave OAM beam generation through programmable metasurface [PDF]
Nanophotonics, 2022 Millimeter-wave (mmWave) and orbital angular momentum (OAM) multiplexing are two key technologies for modern wireless communications, where significant efforts have been devoted to combining these two technologies for extremely high channel capacities ...
Bai Xudong +6 more
doaj +3 more sources
Programmable VO2 metasurface for terahertz wave beam steering [PDF]
iScience, 2022 Summary: Programmable vanadium dioxide (VO2) metasurface is proposed at THz frequencies. The insulating and metallic states of VO2 can be switched via external electrical stimulation, resulting in the dynamical modulation of electromagnetic response. The
Daquan Yang +6 more
doaj +4 more sources
Programmable metasurface for front-back scattering communication [PDF]
Nanophotonics, 2023 Achieving high-efficient and low-power communication is pivotal yet very challenging in the emerging technologies. Unlike conventional backscatter communication system, we propose and demonstrate an amplitude-reconfigurable metasurface loaded with PIN ...
Li Haipeng +5 more
doaj +5 more sources
Time-Modulated Transmissive Programmable Metasurface for Low Sidelobe Beam Scanning [PDF]
Research, 2022 Programmable metasurfaces have great potential for the implementation of low-complexity and low-cost phased arrays. Due to the difficulty of multiple-bit phase control, conventional programmable metasurfaces suffer a relatively high sidelobe level (SLL).
Xudong Bai +8 more
doaj +2 more sources
Adaptive Wettability of a Programmable Metasurface [PDF]
Advanced Engineering Materials, 2021 Metasurfaces with specific wettability have recently been gaining relevance in numerous areas of science and industry. This hasled to the technical requirements of these functional metasurfaces increasing in cost and complexity. Examples can be found in adjustable filters and membranes, as well as in lab‐on‐chip systems.
Marius Specht +2 more
openalex +3 more sources
Multimode OAM beam generation through 1-bit programmable metasurface antenna [PDF]
Scientific Reports, 2023 modern wireless communication, the orbital angular momentum (OAM) beam is considered as an important technology. Some considerable efforts have been devoted to using this technology for channel capacity enhancement as much as possible.
Morteza Nadi +2 more
doaj +2 more sources
Multi-frequency amplitude-programmable metasurface for multi-channel electromagnetic controls [PDF]
Nanophotonics, 2023 The digital and programmable metasurfaces, as opposed to conventional metasurfaces, offer a more sophisticated method of collaborating information and physics, showcasing several real-time controls to electromagnetic (EM) ways in succinct ways.
Wu Rui Yuan +4 more
doaj +2 more sources
XOR‐Logic Phase Coding Programmable Metasurface for Low Power‐Consumption Systems [PDF]
Advanced ScienceProgrammability greatly enhances the degree of freedom to manipulate electromagnetic (EM) waves dynamically and lays crucial foundation for intelligent applications of metasurfaces.
Ruichao Zhu +10 more
doaj +2 more sources
Programmable metasurface RCS prediction under obstacles based on DNN [PDF]
Frontiers in Materials, 2022 Programmable metasurfaces have attracted significant attention in various applications such as radar and 6G communications, owing to their ability freely shape the far-field pattern.
Yutong Jiang +8 more
doaj +2 more sources