Artículo
Extraordinary Transmission and Radiation from Finite by Infinite Arrays of Slots
Autor/es | Camacho Aguilar, Miguel
Rodríguez Boix, Rafael Medina Mena, Francisco Hibbins, Alastair Paul Sambles, John Roy |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2020 |
Fecha de depósito | 2020-05-22 |
Publicado en |
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Resumen | In this communication an efficient method of moments (MoM) code is used for the analysis of the extraordinary transmission (EOT) through a periodic array of rectangular slots in a conducting screen, in the case where the ... In this communication an efficient method of moments (MoM) code is used for the analysis of the extraordinary transmission (EOT) through a periodic array of rectangular slots in a conducting screen, in the case where the number of slots is finite in one direction and infinite in the orthogonal direction. The slots can be arbitrarily rotated within the periodic unit cell. Once the magnetic current density on the slots is obtained by means of MoM, both the transmission coefficient and the far-field radiated by the array of slots are computed. The onset of EOT turns out to be strongly dependent on the orientation of the slots with respect to the direction in which the array is infinite. If the slots are perpendicular to this direction, EOT appears for a single infinite chain of slots. However, tens of parallel chains of slots are required to reproduce the EOT response when the slots are aligned along the parallel chains direction. The obtained radiation patterns show the excitation of grating lobes as the number of slots grow in the direction where the arrays are finite. |
Identificador del proyecto | EP/L015331/1
P12-TIC-1435 TEC2017-84724-P |
Cita | Camacho Aguilar, M., Rodríguez Boix, R., Medina Mena, F., Hibbins, A.P. y Sambles, J.R. (2020). Extraordinary Transmission and Radiation from Finite by Infinite Arrays of Slots. IEEE Transactions on Antennas and Propagation, 68 (1), 581-586. |
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