Results 31 to 40 of about 4,017 (247)

Huygens' Metasurfaces: All‐Dielectric Programmable Huygens' Metasurfaces (Adv. Funct. Mater. 19/2020) [PDF]

Advanced Functional Materials, 2020
Aleksandrs Leitis, Andreas Heßler, Sophia Wahl, Matthias Wuttig, Thomas Taubner, Andreas Tittl, Hatice Altug   +6 more
openalex   +2 more sources

Programmable metasurface‐based RF chain‐free 8PSK wireless transmitter

Electronics Letters, 2019
In this Letter, a wireless transmitter using the new architecture of programmable metasurface is presented. The proposed transmitter does not require any filter, nor wideband mixer or wideband power amplifier, thereby making it a promising hardware architecture for cost‐effective wireless communications systems in the future. Using experimental results,
Wankai Tang, Jun Yan Dai, Mingzheng Chen, Xiang Li, Qiang Cheng, Shi Jin, Kai‐Kit Wong, Tie Jun Cui   +7 more
openaire   +5 more sources

Programmable Chiral Radiation via Spin‐Decoupled Metasurface with Integrated Compound Phases [PDF]

Advanced Science
Chiral radiation holds promise for applications in sensing, communications, and information processing. Recent advances in optical materials and metasurfaces have enabled unprecedented control over their spectral and momentum characteristics.
Lu Song, Jian Ma, Min Li, Guolong Shi, Zanyang Wang, Xiaofeng Li, Liqiao Jing, Dashuang Liao, Zuojia Wang   +8 more
doaj   +2 more sources

Hierarchical Reconfigurable Metasurface Based on Scenario‐Guided Functional Modules and Programmable Core

Advanced Science, EarlyView.
This paper proposes a hierarchical reconfigurable metasurface architecture (HRMA) to achieve comprehensive electromagnetic parameter modulation and on‐demand polymorphic function switching. The reconfigurable metasurface is divided into a programmable core (PC) and scenario‐guided functional modules (FMs), exhibiting significant flexibility and ...
Lihao Zhu, Jiaqi Han, Zhe Zheng, Qian Feng, Dexiao Xia, Xiangjin Ma, Yajie Mu, Guoliang Luo, Rui Li, Huan Liu, Hao Xue, Long Li   +11 more
openalex   +2 more sources

Controllable Manipulation of Wi-Fi Signals Using Tunable Metasurface

Leida xuebao, 2021
In this paper, we propose the utilization of a programmable metasurface for flexibly manipulating ambient Wi-Fi signals. First, we propose a new and efficient optimization algorithm CWGS (Complex Weighted Gerchberg-Saxton), which is based on an ...
Ya SHUANG, Li LI, Zhuo WANG, Menglin WEI, Lianlin LI   +4 more
doaj   +1 more source

All‐Dielectric Programmable Huygens' Metasurfaces [PDF]

Advanced Functional Materials, 2020
AbstractLow‐loss nanostructured dielectric metasurfaces have emerged as a breakthrough platform for ultrathin optics and cutting‐edge photonic applications, including beam shaping, focusing, and holography. However, the static nature of their constituent materials has traditionally limited them to fixed functionalities.
Leitis, Aleksandrs, Heßler, Andreas, Wahl, Sophia, Wuttig, Matthias, Taubner, Thomas, Tittl, Andreas, Altug, Hatice   +6 more
openaire   +3 more sources

Programmable Acoustic Metasurfaces [PDF]

Advanced Functional Materials, 2019
AbstractMetasurfaces open up unprecedented potential for wave engineering using subwavelength sheets. However, a severe limitation of current acoustic metasurfaces is their poor reconfigurability to achieve distinct functions on demand. Here a programmable acoustic metasurface that contains an array of tunable subwavelength unit cells to break the ...
Zhenhua Tian, Chen Shen, Junfei Li, Eric Reit, Yuyang Gu, Hai Fu, Steven A. Cummer, Tony Jun Huang   +7 more
openaire   +3 more sources

Biobased and Programmable Electroadhesive Metasurfaces

ACS Applied Materials & Interfaces, 2022
Electroadhesion has shown the potential to deliver versatile handling devices because of its simplicity of actuation and rapid response. Current electroadhesion systems have, however, significant difficulties in adapting to external objects with complex shapes.
Li, Qinyu, Le Duigou, Antoine, Guo, Jianglong, Thakur, Vijay Kumar, Rossiter, Jonathan, Liu, Liwu, Leng, Jinsong, Scarpa, Fabrizio   +7 more
openaire   +3 more sources

Workload Characterization of Programmable Metasurfaces [PDF]

Proceedings of the Sixth Annual ACM International Conference on Nanoscale Computing and Communication, 2019
Metasurfaces are envisaged to play a key role in next-generation wireless systems due to their powerful control over electromagnetic waves. The last decade has witnessed huge advances in this regard, shifting from static to programmable metasurfaces. The HyperSurface (HSF) paradigm takes one step further by integrating a network of controllers within ...
Saeed, Taqua, Abadal, Sergi, Liaskos, Christos, Pitsillides, Andreas, Taghvaee, Hamidreza, Cabellos-Aparicio, Albert, Lestas, Marios, Alarcón, Eduard, Saeed, Taqua, Abadal, Sergi, Liaskos, Christos K., Pitsillides, Andreas, Taghvaee, Hamidreza, Cabellos-Aparicio, Albert, Lestas, Marios, Alarcón, Eduard   +15 more
openaire   +4 more sources

Design, Analysis, and Experiment on High-Performance Orbital Angular Momentum Beam Based on 1-Bit Programmable Metasurface

IEEE Access, 2021
In this study, a high-performance orbital angular momentum (OAM) beam is designed, analyzed and experimented using a 1-bit programmable metasurface. OAM as a novel technology is investigated systematically in this paper. Moreover, this study is motivated
Ziyang Wang, Xiaotian Pan, Fan Yang, Shenheng Xu, Maokun Li, Donglin Su   +5 more
doaj   +1 more source