Electromagnetic Absorber Realization Using Huygens Metasurfaces

Document Type: Research Paper

Authors

Department of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran

Abstract

In this paper, the possible realization of the electromagnetic (EM) absorber as a thin metasurface is considered. The metasurface is based on establishing a passive surface of electric and magnetic currents using the Huygen’s principle. So, the absorber is named Huygens Absorber (HA). The metasurface can be designed using split meander lines with spiral rings. In this way, both sides of the substrate must be patterned to obtain electric and magnetic currents. In this paper, it is shown that the currents can be obtained using appropriate cells based on bi-anisotropic media theory. It is shown that to obtain a normal absorber, appropriate omega particles can be used. It is worth noting that the proposed absorber does not need any lossy material to absorb the waves which is a unique and excellent property of this kind of absorber. It is a thin groundless surface which makes it possible to design a double-sided metasurface.

Graphical Abstract

Electromagnetic Absorber Realization Using Huygens Metasurfaces

Keywords


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