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arXiv 2003.08654physics.app-ph
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多功能可重构元表面:考虑制造方面的电磁设计

A multi-functional reconfigurable metasurface: Electromagnetic design accounting for fabrication aspects

Alexandros Pitilakis, Odysseas Tsilipakos, Fu Liu, Kypros M. Kossifos, Anna C. Tasolamprou, Do-Hoon Kwon, Mohammad Sajjad Mirmoosa, Dionysios Manessis, Nikolaos… 展开作者

Alexandros Pitilakis, Odysseas Tsilipakos, Fu Liu, Kypros M. Kossifos, Anna C. Tasolamprou, Do-Hoon Kwon, Mohammad Sajjad Mirmoosa, Dionysios Manessis, Nikolaos V. Kantartzis, Christos Liaskos, Marco A. Antoniades, Julius Georgiou, Costas M. Soukoulis, Maria Kafesaki, Sergei A. Tretyakov

摘要:

在本文中,我们提出了理论上的考虑和设计演变的概念验证的可重构超颖表面,主要用作可调谐微波吸收器,但也作为一个波前操纵和偏振转换装置的反射。我们概述了设计的演变和所有考虑因素,从选择的补丁形状,单元格的大小,和基板,实现所需的可调谐性的结构的拓扑结构。所提出的设计符合制造限制,并且被共同设计为与集成电路芯片一起工作,用于使用商业上可获得的半导体工艺向超表面提供可调谐的复杂负载。所提出的结构可以通过适当地偏置集成电路来执行多个可调谐功能:对于两种线性偏振状态的宽范围入射角的完美吸收,适应5 GHz附近的光谱范围,还具有波前控制的潜力,例如通过异常反射和偏振转换。最终的愿景是这样一个设计是可扩展的和可部署的,作为一个实际的超表面,即,一种智能多功能超颖表面,能够同时实现可重新配置的功能:吸收、光束转向、偏振转换、波前整形、全息术和传感。

英文摘要:

In this paper we present the theoretical considerations and the design evolution of a proof-of-concept reconfigurable metasurface, primarily used as a tunable microwave absorber, but also as a wavefront manipulation and polarization conversion device in reflection. We outline the design evolution and all considerations taken into account, from the selection of patch shape, unit cell size, and substrate, to the topology of the structure that realizes the desired tunability. The presented design conforms to fabrication restrictions and is co-designed to work with an integrated circuit chip for providing tunable complex loads to the metasurface, using a commercially available semiconductor process. The proposed structure can perform multiple tunable functionalities by appropriately biasing the integrated circuit: Perfect absorption for a wide range of incidence angles of both linear polarization states, accommodating a spectral range in the vicinity of 5 GHz, with potential also for wavefront control, exemplified via anomalous reflection and polarization conversion. The end vision is for such a design to be scalable and deployable as a practical HyperSurface, i.e., an intelligent multi-functional metasurface capable of concurrent reconfigurable functionalities: absorption, beam steering, polarization conversion, wavefront shaping, holography, and sensing.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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