2-Bit Programmable Digital Metasurface for Controlling Electromagnetic wave

被引：0
|
作者：
Zhang, Xiaohong [1 ]
Zhang, Hui [1 ]
Su, Jianxun [1 ]
Li, Zengrui [1 ]
机构：
[1] Commun Univ China, Informat Engn Sch, Beijing, Peoples R China
来源：
2017 IEEE SIXTH ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION (APCAP) | 2017年
基金：
中国国家自然科学基金;
关键词：
Programmable; Digital; coding; 2-bit metasurfa;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a 2-bit programmable digital metasurface is designed and characterized based on the biased diode array. The metasurface contains four types of basic meta particles: '00', '01', '10', '11', with phase responses of 0, 114, 178, 304, respectively. A unique metamaterial particle that has four kinds of phase responses controlled by two biased diodes. By coding the '00', '01', '10', '11' elements with random sequences (i.e., 2-bit coding), the electromagnetic wave can be manipulated and more functionalities can be realized than 1-bit coding. We consider a programmable metasurface that contains 2x 2 equal sized lattices in which each lattice is composed of 5x 5 coding elements. Through numerical simulations, a single digital metasurface can diffuse different far field pattern.
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页数：3
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