https://orcid.org/0000-0001-6673-9877
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Abstract
In this work, a characterization procedure of Artificial Magnetic Conductor (AMC) metasurfaces based on analytical expressions developed using the Generalized Boundary Conditions (GBCs) model is presented. The correlation between the surface susceptibilities of the PEC scatterers and the main frequency points used in the characterization of AMCs are established. Then the susceptibilities of square patch, square loop, Jerusalem cross and second iteration Minkowski fractal PEC scatterers are obtained by two sets of simulations and are used to calculate profiling frequencies and stability parameters. The detailed characterization procedure is presented and the flexibility and effectiveness of the proposed method are compared to full-wave numerical simulations.
Acknowledgments
This work has been supported by the Brazilian agencies CAPES, CNPq, and FAPEMIG, and by the Brazilian Institution Federal University of Minas Gerais (UFMG).
Disclosure statement
No potential conflict of interest was reported by the author(s).
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Notes on contributors
Guilherme L. F. Brandão
Guilherme L. F. Brandão received the B.A.Sc. and M.A.Sc. degrees in electrical engineering from the Centro Federal de Educação Tecnológica de Minas Gerais, Brazil, in 2015 and 2017, respectively, and received the Ph.D. degree in electrical engineering from the Universidade Federal de Minas Gerais, Brazil, in 2022. His current research interests include antenna design, metasurfaces, artificial magnetic conductors, metamaterials and rectennas.
Elson J. Silva
Elson J. Silva received the B.A.Sc. and M.A.Sc. degrees in electrical engineering from the Universidade Federal de Minas Gerais, Brazil, in 1987 and 1990, respectively, and the Ph.D. degree from the University of Akron, USA, in 2000. He is currently a Professor with the Department of Electrical Engineering, Universidade Federal de Minas Gerais, Brazil. His current research interests include discrete exterior calculation, generalized/extended finite element method, coupled problem modeling, electromagnetic metamaterials/metasurfaces.
Ursula C. Resende
Ursula C. Resende received the B.A.Sc. and M.A.Sc. degrees in electrical engineering from the Pontificia Universidade Católica de Minas Gerais, Brazil, in 1999 and 2001, respectively, and the Ph.D. degree from the Universidade Federal de Minas Gerais, Brazil, in 2007. She is currently a Professor with the Department of Electrical Engineering, Centro Federal de Educação Tecnológica de Minas Gerais, Brazil. Her current research interests include applied electromagnetics, electromagnetic scattering, antennas, method of moments and meshless methods.