Results 21 to 30 of about 1,179 (209)

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

Research
Programmable metasurfaces show great application potential in many fields, so studying their radar cross-section reduction (RCSR) characteristics is very important.
Yajie Mu, Jiaqi Han, Lihao Zhu, Dexiao Xia, Xiangjin Ma, Haixia Liu, Long Li   +6 more
doaj   +2 more sources

Polarization‐Controlled Dual‐Programmable Metasurfaces [PDF]

Advanced Science, 2020
Programmable metasurfaces allow dynamic and real‐time control of electromagnetic (EM) waves in subwavelength resolution, holding extraordinary potentials to establish meta‐systems. Achieving independent and real‐time controls of orthogonally‐polarized EM
Xin Ge Zhang, Qian Yu, Wei Xiang Jiang, Ya Lun Sun, Lin Bai, Qiang Wang, Cheng‐Wei Qiu, Tie Jun Cui   +7 more
doaj   +3 more sources

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

Light: Science & Applications
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
Wei Liu, Si Ran Wang, Jun Yan Dai, Lei Zhang, Qiao Chen, Qiang Cheng, Tie Jun Cui   +6 more
doaj   +2 more sources

Programmable Metasurface Antenna for Electromagnetic Torso Scanning [PDF]

IEEE Access, 2020
A wideband beam-switching metasurface antenna using programmable unit-cells is proposed for electromagnetic torso scanning. The design aims at changing the intensity of the electric field inside the torso without any mechanical movements and thus enables
Amin Darvazehban, Sasan Ahdi Rezaeieh, Amin M. Abbosh   +2 more
doaj   +6 more sources

Wireless microwave-to-optical conversion via programmable metasurface without DC supply [PDF]

Nature Communications
Microwave-optical interaction and its effective utilization are vital technologies at the frontier of classical and quantum sciences for communication, sensing, and imaging.
Xin Ge Zhang, Ya Lun Sun, Bingcheng Zhu, Han Wei Tian, Bo Yuan Wang, Zaichen Zhang, Cheng-Wei Qiu, Tie Jun Cui, Wei Xiang Jiang   +8 more
doaj   +2 more sources

A Dual‐Polarization Programmable Metasurface for Green and Secure Wireless Communication [PDF]

Advanced Science
Dual‐polarization programmable metasurfaces can flexibly manipulate electromagnetic (EM) waves while providing approximately twice the information capacity. Therefore, they hold significant applications in next‐generation communication systems.
Zheng Xing Wang, Jun Wei Wu, Hui Xu, Jun Yan Dai, Shuo Liu, Qiang Cheng, Tie Jun Cui   +6 more
doaj   +2 more sources

Programmable Topological Metasurface to Modulate Spatial and Surface Waves in Real Time

Nanophotonics
We propose a programmable topological metasurface to integrate intelligent modulations of spatial and surface waves. A general design method is presented to design the programmable metasurface elements with PIN diodes. The surface waves can be controlled
Jian Wei You, Cui Tiejun, Qiang Xiao
exaly   +2 more sources

Eye-Tracking-Driven Programming Metasurface System for Adaptive Beam Focusing and Polarization-Agile Communication [PDF]

Research
Expanding near-field regions in high-frequency 6G systems necessitates precise spatial-field control, yet narrow beamwidths and 3-dimensional tracking complexities create severe alignment hurdles.
Shulei Zhang, Ruichao Zhu, Zuntian Chu, Chang Ding, Sai Sui, Sina Dang, Shaobo Qu, Jue Qu, Yuxiang Jia, Jiafu Wang   +9 more
doaj   +2 more sources

Interactively addressable organic metadevices [PDF]

Nature Communications
Active, pixel-level addressability is central to the realization of metadevices with programmable wavefront control. However, two-dimensional operation at visible wavelengths remains challenging, as reducing metasurface pixel dimensions imposes ...
Xiangyu Huang, Benjamin Renz, Yueqiang Hu, Na Liu   +3 more
doaj   +2 more sources

Programmable Amplitude‐Coding Metasurface with Multifrequency Modulations [PDF]

Advanced Intelligent Systems, 2021
Recently, programmable metasurfaces have aroused great attention for various applications such as beam manipulation, wireless communication, and holograms by modulating the spatial phase or amplitude.
Qiao Ru Hong, Qian Ma, Xin Xin Gao, Che Liu, Qiang Xiao, Shahid Iqbal, Tie Jun Cui   +6 more
doaj   +3 more sources