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Discrete arbitrary polygon electromagnetic cloak based on tensor transmission-line metamaterials elements

ZHENTAO ZHAO1,2,* , LI DENG1, SHUFANG LI1, CHEN ZHANG1, MEIJUN QU1

Affiliation

  1. School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, 100876, China
  2. First Research Institute of Ministry of Public Security of PRC, Beijing, 100048, China

Abstract

Existing discrete electromagnetic (EM) cloaks are often limited to circular shape and always based on one dimensional discretization of radius variable in cylindrical coordinates. In this paper, we proposed a two dimensional (2D) discrete arbitrary polygon invisible cloak, not limited to symmetrical shapes. A tensor transmission-line (TL) unit cell method is brought in to realize the anisotropic element in the proposed cloak, and the relative formulas between the medium parameters and the lumped circuit parameters are deduced. Furthermore, numerical simulations of typical polygon cloaks are performed, verifying the validity and feasibility of the proposed approach. In summary, the proposed physically realizable cloak could provide a practical approach to an experimental demonstration of electromagnetic cloaking..

Keywords

Invisible cloak, Tensor transmission-line, Electromagnetic cloaking, Discrete arbitrary polygon.

Citation

ZHENTAO ZHAO, LI DENG, SHUFANG LI, CHEN ZHANG, MEIJUN QU, Discrete arbitrary polygon electromagnetic cloak based on tensor transmission-line metamaterials elements, Optoelectronics and Advanced Materials - Rapid Communications, 12, 1-2, January-February 2018, pp.43-47 (2018).

Submitted at: Nov. 10, 2016

Accepted at: Feb. 12, 2018