Results 11 to 20 of about 1,192 (198)

Information entropy of coding metasurface [PDF]

Light: Science and Applications, 2016
Because of their exceptional capability to tailor the effective medium parameters, metamaterials have been widely used to control electromagnetic waves, which has led to the observation of many interesting phenomena, for example, negative refraction, invisibility cloaking, and anomalous reflections and transmissions.
Tie Jun Cui, Shuo Liu, Cui Tie-Jun
exaly   +5 more sources

Multifunctional Programmable Transmissive Metasurface with Phase and Amplitude Manipulation Capability [PDF]

Advanced Science
Digital and programmable metasurfaces provide novel approaches to connect electromagnetic (EM) physics with information science for flexible EM wave manipulation and information modulation.
Hao Tian Shi, Rui Yuan Wu, Shi He, Xue Yun Guo, Xiao Qing Chen, Yi Ning Zheng, Bing Bing Zhu, Lei Zhang, Tie Jun Cui   +8 more
doaj   +3 more sources

Dynamic RCS Reduction Performances of Antenna Array with Coding Metasurface

International Journal of Antennas and Propagation, 2022
On the basis of combining the two concepts of digital coding metasurface and metasurface antenna, low radar cross-section (RCS) coding metasurface antenna array with dynamic scattering performances is presented in this paper.
Yan Chen, Xiao-Xiang He, Yang Yang, Heng-Yan Hu, Fu-Kang Li, Lei Yang   +5 more
doaj   +2 more sources

Frequency coding metasurface for multiple directions manipulation of terahertz energy radiation

AIP Advances, 2019
A multifunctional frequency coding metasurface is proposed in terahertz frequency band. Different from the previous coding metasurface with a fixed phase difference of the neighbor coding unit cells in the whole working frequency band, the proposed ...
Shao-He Li, Jiu-Sheng Li
doaj   +2 more sources

Two-Dimensional Beam Steering Based on Compact Programmable Coding Metasurface

Applied Sciences, 2022
A programmable coding metasurface provides unprecedented flexibility to manipulate electromagnetic waves dynamically. By controlling the peculiarity of subwavelength artificial atoms, devices with metasurfaces perform various functionalities.
Fei Yang, Fan Xu, Chenxi Liu, Xinyu Yang, Ziqiang Wang, Junwei Wu, Xiaojian Fu   +6 more
doaj   +2 more sources

A New Coding Metasurface for Wideband RCS Reduction [PDF]

Radioengineering, 2018
In this paper, two novel artificial magnetic conductors (AMC) structures are designed to realize 180 degrees of phase difference in a wideband frequency. These two AMC structures are encoded as unit “0”and unit “1”, respectively.
L.R.Ji-Di, X.Y. Cao, Y. Tang, S.M. Wang, Y. Zhao, X.W. Zhu   +5 more
doaj   +2 more sources

Convolution operations on time-domain digital coding metasurface for beam manipulations of harmonics

Nanophotonics, 2020
Time-domain digital coding metasurfaces have been proposed recently to achieve efficient frequency conversion and harmonic control simultaneously; they show considerable potential for a broad range of electromagnetic applications such as wireless ...
Zhang Cheng, Yang Jin, Yang Liu Xi, Ke Jun Chen, Chen Ming Zheng, Cao Wen Kang, Chen Mao, Wu Zhan Hao, Chen Jian Feng, Cheng Qiang, Cui Tie Jun   +10 more
doaj   +2 more sources

Wideband RCS Reduction Using Coding Diffusion Metasurface [PDF]

Materials, 2019
This paper presents a radar cross-section (RCS) reduction technique by using the coding diffusion metasurface, which is optimised through a random optimization algorithm. The design consists of two unit cells, which are elements ‘1’ and ‘0’. The reflection phase between the two-unit cells has a 180° ± 37° phase difference.
Luqman Ali, Qinlong Li, Tayyab Ali Khan, Jianjia Yi, Xiaoming Chen   +4 more
openaire   +3 more sources

Asynchronous Space‐Time‐Coding Digital Metasurface

Advanced Science, 2022
Recent progress in space‐time‐coding digital metasurface (STCM) manifests itself a powerful tool to engineer the properties of electromagnetic (EM) waves in both space and time domains, and greatly expands its capabilities from the physical manipulation ...
Si Ran Wang, Ming Zheng Chen, Jun Chen Ke, Qiang Cheng, Tie Jun Cui   +4 more
doaj   +3 more sources

Using a Binary Coding Metasurface to Achieve Polarization‐Dependent Full‐Duplex and Full‐Polarization Receiving

Engineering Reports
Coding metasurfaces have the advantage of controlling electromagnetic waves by designing digital states of the unit elements. This digital mechanism can be conveniently integrated into electronic information systems, hence, coding metasurfaces have been ...
Jia Chen Wan, Jia Wei Wang, Xu Jie Wang, Xiang Wan   +3 more
doaj   +2 more sources