Modeling, analysis, and extraction of Metasurface parameters of electromagnetic cylinders for invisibility of objects

Document Type : Original Article

Authors

1 Ph.D., Amirkabir University of Technology, Tehran, Iran

2 PhD student, Noshirvani University of Technology, Babol, Iran

Abstract

The main purpose of this article is to use metasurfaces to make objects invisible. The process is that, after examining how to analyze the electromagnetic plan metasurface of the plate, a method for the analysis of cylindrical metasurfaces is presented. Then, inspired by the modeling of plan metasurfaces, a method based on the physical characterization of cylindrical metasurfaces in order to model and extract their tensor parameters is expressed. The methods presented in this paper for analyzing, modeling and extracting the parameters of cylindrical metasurfaces can be implemented for any desired type of linear metasurfaces in a wide frequency range consisting of radio and microwave waves to light waves. In the next step, the proposed formulation is used to reduce the scattering of electromagnetic waves from objects or so-called invisibility. The proposed method for invisibility makes it possible to provide different configurations of metasurfaces to achieve any type of invisibility according to the limitations of practical implementation. In addition, the formulation is effective in providing a physical understanding and description of invisibility. To test the results, the formulation of this paper was applied to a designed metasurface sample. Finally, with the help of full-wave simulations, the metasurface tensor parameters are extracted and the desired invisibility is realized.
 

Keywords

Smiley face

References

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Applied Electromagnetics
Volume 11, Issue 2 - Serial Number 27
September 2023
Pages 43-54

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History

  • Receive Date: 02 March 2023
  • Revise Date: 25 June 2023
  • Accept Date: 28 July 2023

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