Spatial-transformation-based wave manipulations in electromagnetics and acoustics: From theory to applications

IF 7.5 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Science China Physics, Mechanics & Astronomy Pub Date : 2024-12-20 DOI:10.1007/s11433-024-2537-8

Zheng Zhang, Qian Zhu, Chao Song, Weixiang Jiang

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Abstract

Transformation optics (TO) or transformation acoustics (TA) theory provides an elegant framework for designing intricate wave-material interaction devices. Combining TO or TA with emerging metamaterial technology, the propagating waves inside metamaterials can be guided at will by mapping a preset spatial pattern onto a specific constituent parameter distribution, thus achieving desired functionalities. In this review, we mainly focus on recent progress in TO and TA, in terms of basic theory and representative applications. Firstly, we introduce the fundamental principles of TO and TA. Subsequently, we present some related spatial-transformation-based applications in electromagnetics, such as cloaks, beam manipulation devices and applications in nonlinear responses, and some typical applications in acoustics, namely underwater ultrasound invisibility, sound imaging lenses and parity-time symmetry. Furthermore, we discuss transformation-based devices for acoustic-electromagnetic-joint control. Finally, we summarize current spatial-transformation-based wave modulations and outline some future opportunities in this research field.

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电磁学和声学中基于空间变换的波处理：从理论到应用

变换光学（TO）或变换声学（TA）理论为设计复杂的波-物质相互作用装置提供了一个优雅的框架。将TO或TA与新兴的超材料技术相结合，通过将预设的空间模式映射到特定的组成参数分布上，可以随意引导超材料内部的传播波，从而实现所需的功能。本文主要从基本理论和代表性应用两方面综述了TO和TA的最新进展。首先，我们介绍了TO和TA的基本原理。随后，我们介绍了一些相关的基于空间变换的电磁学应用，如斗篷、波束操纵装置和非线性响应的应用，以及声学中的一些典型应用，即水下超声隐身、声成像透镜和奇偶时间对称。此外，我们还讨论了基于变换的声电磁联合控制装置。最后，我们总结了目前基于空间变换的波调制，并概述了该研究领域的一些未来机会。

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来源期刊

Science China Physics, Mechanics & Astronomy PHYSICS, MULTIDISCIPLINARY-

CiteScore

10.30

自引率

6.20%

发文量

4047

审稿时长

3 months

期刊介绍： Science China Physics, Mechanics & Astronomy, an academic journal cosponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China, and published by Science China Press, is committed to publishing high-quality, original results in both basic and applied research. Science China Physics, Mechanics & Astronomy, is published in both print and electronic forms. It is indexed by Science Citation Index. Categories of articles: Reviews summarize representative results and achievements in a particular topic or an area, comment on the current state of research, and advise on the research directions. The author’s own opinion and related discussion is requested. Research papers report on important original results in all areas of physics, mechanics and astronomy. Brief reports present short reports in a timely manner of the latest important results.