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Digital Coding Metasurfaces: Toward Programmable and Smart Manipulations of Electromagnetic Functions

open access: yesLeida xuebao, 2022
Digital coding metasurfaces are an important research branch of metamaterials and metasurfaces. The digital coding method replaces the equivalent medium theory to characterize metasurfaces, which not only simplifies the design process of metasurfaces but
Weixiang JIANG   +3 more
doaj   +2 more sources

Time-Modulated Transmissive Programmable Metasurface for Low Sidelobe Beam Scanning

open access: yesResearch, 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

A Low-Profile Self-Stealth Programmable Metasurface with In-Band and Out-of-Band RCS Reduction [PDF]

open access: yesResearch
Programmable metasurfaces show great application potential in many fields, so studying their radar cross-section reduction (RCSR) characteristics is very important.
Yajie Mu   +6 more
doaj   +2 more sources

Design of a Wide-Angle and Polarization-Free 1-Bit Programmable Metasurface

open access: yesFrontiers in Materials, 2022
Programmable metasurfaces have the powerful capability of controlling electromagnetic (EM) waves by coding the digital state of each meta-atom. However, conventional programmable metasurface units are difficult to maintain stable controllability under ...
Lu Liu, Yi Fei Huang, Hao Chi Zhang
doaj   +1 more source

Highly integrated programmable metasurface for multifunctions in reflections and transmissions

open access: yesAPL Materials, 2022
Programmable manipulations on both reflections and transmissions usually require multi-layer metasurfaces, numerous active components, and control circuits, leading to a larger profile, complicated bias circuit design, and higher cost.
Qian Ma   +5 more
doaj   +1 more source

Programmable Reflection–Transmission Shared‐Aperture Metasurface for Real‐Time Control of Electromagnetic Waves in Full Space

open access: yesAdvanced 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   +1 more source

Programmable metasurface RCS prediction under obstacles based on DNN

open access: yesFrontiers 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   +1 more source

Electrically programmable solid-state metasurfaces via flash localised heating

open access: yesLight: Science & Applications, 2023
A rapid and programmable amplitude modulator based on the thermo-optical effect has been demonstrated by integrating transparent microheaters with metasurfaces.
Khosro Zangeneh Kamali   +7 more
doaj   +1 more source

Stimuli‐responsive active materials for dynamic control of light field

open access: yesResponsive Materials, 2023
The increasing demand for the multidimensional and dynamic control of light has spurred the development of stimuli‐responsive, reconfigurable, and programmable optical systems.
Ren Zheng   +7 more
doaj   +1 more source

Real-time reconfigurable metasurfaces enabling agile terahertz wave front manipulation

open access: yesLight: Science & Applications, 2023
Real-time controlled programmable metasurfaces, having an array-of-subarrays architecture under the control of one-bit digital coding sequence, are demonstrated for rapid and precise multifunctional Terahertz wave front engineering.
Huixian Zhou, Cheng Zhang
doaj   +1 more source

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