Concept, realization, and applications of coding metasurfaces

3区物理与天体物理 Q1 Engineering

Waves in Random and Complex Media Pub Date : 2023-11-02 DOI:10.1080/17455030.2022.2081376

Guo-Min Yang, Xiaoyi Wang, Ya-Qiu Jin

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引用次数: 1

Abstract

AbstractCoding metasurfaces, characterized by processing the electromagnetic waves for specified functions through predesigned coding sequences either in space or time, can manipulate the electromagnetic waves in both space frequencies and time frequencies. They have been emerging as the revolutionary platforms for metasurface technologies in recent years. In this paper, we first introduce the general concept and operating principle of the coding metasurfaces. Then, two design strategies for realizing the coding metasurface particles, altering resonant states and switching current phase, are provided, respectively. Next, two recent reported applications that are based on space-coding metasurface for RCS reduction and time-coding metasurface for spread-spectrum wireless communication are presented, respectively. Finally, existing challenges and potential future research directions in coding metasurfaces are discussed.Keywords: Coding metasurfacespace-codingtime-codingspace-time-codingmulti-bitRCS reductionspread spectrum AcknowledgmentsThe authors would like to thank Dr. Fuheng Zhang, Dr. Yasir Saifullah, and Qingzhuo Chen for their valuable contribution to this work.Disclosure statementNo potential conflict of interest was reported by the authors.Additional informationFundingThis work was supported by the National Key Research and Development Program of China under grant number 2017YFA0100203.

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编码元表面的概念、实现和应用

摘要编码元表面是通过预先设计的编码序列在空间或时间上对特定功能的电磁波进行处理，可以在空间频率和时间频率上对电磁波进行操纵。近年来，它们已成为超表面技术的革命性平台。本文首先介绍了编码元表面的一般概念和工作原理。然后，分别提出了改变谐振态和切换电流相位两种实现超表面粒子编码的设计策略。接下来，分别介绍了最近报道的两种基于空间编码元表面的RCS减少应用和基于时间编码元表面的扩频无线通信应用。最后，讨论了元表面编码存在的挑战和潜在的未来研究方向。关键词:编码元表面空间编码时间编码空时编码多比特rcs约简扩频致谢作者感谢张福恒博士、Yasir Saifullah博士和陈庆卓博士对这项工作的宝贵贡献。披露声明作者未报告潜在的利益冲突。本研究受国家重点研发计划资助，资助号:2017YFA0100203。

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来源期刊

Waves in Random and Complex Media 物理-物理：综合

自引率

0.00%

发文量

677

审稿时长

3.0 months

期刊介绍： Waves in Random and Complex Media (formerly Waves in Random Media ) is a broad, interdisciplinary journal that reports theoretical, applied and experimental research related to any wave phenomena. The field of wave phenomena is all-pervading, fast-moving and exciting; more and more, researchers are looking for a journal which addresses the understanding of wave-matter interactions in increasingly complex natural and engineered media. With its foundations in the scattering and propagation community, Waves in Random and Complex Media is becoming a key forum for research in both established fields such as imaging through turbulence, as well as emerging fields such as metamaterials. The Journal is of interest to scientists and engineers working in the field of wave propagation, scattering and imaging in random or complex media. Papers on theoretical developments, experimental results and analytical/numerical studies are considered for publication, as are deterministic problems when also linked to random or complex media. Papers are expected to report original work, and must be comprehensible and of general interest to the broad community working with wave phenomena.