Creation of an Arbitrary Electromagnetic Illusion Using a Planar Ultrathin Metasurface

Abstract

An electromagnetic illusion method with planar metasurfaces is demonstrated numerically and experimentally. In the method, the scattering field of an arbitrary object can be built by using a planar ultrathin metasurface with dual-polarized subwavelength unit cells. The proposed planar illusion metasurface can disguise itself as an arbitrary object when the incident wave comes from a relative wide angle range, which means the proposed method is of great practical value.

Keywords

• Arbitrarily-sharped object
• dual-polarization
• electromagnetic illusion
• planar ultrathin metasurface.