Results 31 to 40 of about 1,022 (205)

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

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

An Optically-Programmable Absorbing Metasurface [PDF]

2018 IEEE International Symposium on Circuits and Systems (ISCAS), 2018
A tunable metasurface absorber is presented in this work using an optically-programmable capacitor as the tuning element. The tuning element does not employ conventional semiconductor technologies to operate but rather a bases its tuning by changing the optomechanical properties of its dielectric, poly disperse red 1 acrylate (PDR1A).
Kossifos, K. M., Antoniades, Marco A., Georgiou, Julius, Jaafar, A. H., Kemp, N. T., Kossifos, K. M., Antoniades, Marco A., Georgiou, Julius, Jaafar, A. H., Kemp, N. T.   +9 more
openaire   +4 more sources

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

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, Qian Ma, Rui Yuan Wu, Xiaojian Fu, Junwei Wu, Tie Jun Cui   +5 more
doaj   +1 more source

A One-Bit Programmable Multi-Functional Metasurface for Microwave Beam Shaping

Micromachines, 2023
In this paper, we demonstrate a multi-functional metasurface for microwave beam-shaping application. The metasurface consists of an array of programmable unit cells, and each unit cell is integrated with one varactor diode. By turning the electrical bias
Wu Zhang, Jiahan Lin, Zitao Zheng, Yusong Gao, Jifang Tao, Wenli Shang, Meng Zhang   +6 more
doaj   +1 more source

Programmable Metasurfaces: State of the Art and Prospects [PDF]

2018 IEEE International Symposium on Circuits and Systems (ISCAS), 2018
Metasurfaces, ultrathin and planar electromagnetic devices with sub-wavelength unit cells, have recently attracted enormous attention for their powerful control over electromagnetic waves, from microwave to visible range. With tunability added to the unit cells, the programmable metasurfaces enable us to benefit from multiple unique functionalities ...
Pitilakis, A., Mirmoosa, Mohammad, Tsilipakos, O., Wang, Xuchen, Tasolamprou, A. C., Abadal, S., Cabellos-Aparicio, A., Alarcón, E., Liaskos, C., Kantartzis, N. V., Kafesaki, M., Economou, E. N., Soukoulis, C. M., Tretyakov, Sergei, Liu, Fu   +15 more
openaire   +5 more sources

Error Analysis of Programmable Metasurfaces for Beam Steering [PDF]

IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 2020
Recent years have seen the emergence of programmable metasurfaces, where the user can modify the EM response of the device via software. Adding reconfigurability to the already powerful EM capabilities of metasurfaces opens the door to novel cyber-physical systems with exciting applications in domains such as holography, cloaking, or wireless ...
Hamidreza Taghvaee, Albert Cabellos-Aparicio, Julius Georgiou, Sergi Abadal   +3 more
openaire   +5 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

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

Research (Wash D C)
Programmable metasurfaces show great application potential in many fields, so studying their radar cross-section reduction (RCSR) characteristics is very important.
Mu Y, Han J, Zhu L, Xia D, Ma X, Liu H, Li L.   +6 more
europepmc   +2 more sources

Arbitrarily rotating polarization direction and manipulating phases in linear and nonlinear ways using programmable metasurface. [PDF]

Light Sci Appl
Independent controls of various properties of electromagnetic (EM) waves are crucially required in a wide range of applications. Programmable metasurface is a promising candidate to provide an advanced platform for manipulating EM waves. Here, we propose
Liu W, Wang SR, Dai JY, Zhang L, Chen Q, Cheng Q, Cui TJ.   +6 more
europepmc   +2 more sources