电磁超表面在隐身技术中的应用研究进展

Research progress of electromagnetic metasurface applications in stealth technol

电磁超表面能够利用散射调控和电磁波吸收2种主要机理进行隐身是隐身技术中一种极具潜力的新型技术途径。对电磁超表面在隐身技术中的应用与研究进展进行综述,首先介绍了超表面散射调控机理进行隐身设计的基本原理与实现方法,介绍了相位梯度超表面、编码超表面和超表面隐身套的发展历程和研究成果;其次介绍了基于吸波机理的超表面隐身技术研究进展,包括完美吸波结构、多频带吸波结构、宽频带吸波结构、宽角域吸波结构;再次介绍了超表面雷达隐身与其他功能的复合设计研究,包括超表面隐身强度复合设计、超表面吸波透波散射一体化、雷达红外兼容隐身等内容;最后总结了一些超表面在隐身技术应用中存在的问题和未来的研究方向。

Metasurfaces can provide two main mechanisms of scattering manipulation and electromagnetic absorption for stealth design,becoming a promising new approach for stealth technology.This paper presented a concise review on the applications and recent advancements in the field of metasurfaces specifically for stealth technology.Firstly,the basic mechanism and implement method of scattering manipulation by metasurface for stealth design were intro-duced,including the development history and achievements of phase gradient metasurface,coding metasurface and metasurface cloak.Secondly,the research progresses of stealth tech-nology based on microwave absorption mechanism were introduced,including perfect absorb-ers,multi-band absorbers,broadband absorbers and wide angle range absorbers.Thirdly,metasurface composition designs for radar stealth and other functions were introduced,inclu-ding stealth-strength composite design,absorbing-transmission-scattering integrated design,radar-infrared compatible stealth design,etc.Finally,some existing problems in the stealth applications were summarized and future research directions of metasurfaces were presented.