- idUS
- Listar por autor
Listar por autor "Rodríguez Berral, Raúl"
Mostrando ítems 1-20 de 30
-
Artículo
Accurate circuit modeling of fishnet structures for negative-index-medium applications
Torres, Víctor; Mesa Ledesma, Francisco Luis; Navarro Cía, Miguel; Rodríguez Berral, Raúl; Beruete, Miguel; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2016)Metallic plates with a two-dimensional (2D) periodic distribution of sub-wavelength apertures are known to exhibit ...
-
Artículo
Analytical circuit model for 1-D periodic T-shaped corrugated surfaces
Molero Jiménez, Carlos; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2014)An analytical circuit model is obtained to study the reflection of TM polarized electromagnetic waves that impinge obliquely ...
-
Ponencia
Analytical circuit model for dipole frequency-selective surfaces
Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; García Vigueras, María (Institute of Electrical and Electronics Engineers, 2013)This contribution provides a fully analytical transmission-line circuit model for the transmission/reflection of an obliquely ...
-
Ponencia
Analytical circuit model for stacked slit gratings
Molero, Carlos; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Yakovlev, Alexander B. (Institute of Electrical and Electronics Engineers, 2014)This work presents a rigorous circuit model to compute the transmission/reflection properties of a finite number of stacked ...
-
Artículo
Analytical model for the transmission of electromagnetic waves through arrays of slits in perfect conductors and lossy metal screens
Yang, Rui; Rodríguez Berral, Raúl; Medina Mena, Francisco; Hao, Yang (American Institute of Physics, 2011)This paper presents a very simple analytical model for the analysis of the resonant transmission of microwaves or millimeter ...
-
Artículo
Analytical Multimodal Network Approach for 2-D Arrays of Planar Patches/Apertures Embedded in a Layered Medium
Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2015)A fully analytical multimodal equivalent circuit is presented for the modeling of the scattering of an obliquely incident ...
-
Artículo
Analytical wideband model for strip/slit gratings loaded with dielectric slabs
Rodríguez Berral, Raúl; Molero Jiménez, Carlos; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2012)This paper presents a fully analytical model to determine the transmission and reflection properties of planar 1-D ...
-
Artículo
Annular apertures in metallic screens as extraordinary transmission and frequency selective surface structures
Rodríguez Ulibarri, Pablo; Navarro Cía, Miguel; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Beruete, Miguel (Institute of Electrical and Electronics Engineers, 2017)A 2-D periodic array of annular apertures (or ring slots) is studied using an accurate circuit model. The model accounts ...
-
Artículo
Circuit model for a periodic array of slits sandwiched between two dielectric slabs
Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Institute of Physics, 2010)This paper proposes an equivalent circuit model that uses lumped elements and transmission lines to explain the transmission ...
-
Tesis Doctoral
Circuit modeling of periodic structures
Molero Jiménez, Carlos (2017-02-06)In the present dissertation the main goal consists in the derivation of analytical circuit models for di_erent types of ...
-
Artículo
Dynamical Equivalent Circuit for 1-D Periodic Compound Gratings
Molero Jiménez, Carlos; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2016)Metallic compound gratings are studied in this work by means of an analytical equivalent circuit approach in order to ...
-
Artículo
Enhanced Implementation of the Complex Images Method to Study Bound and Leaky Regimes in Layered Planar Printed Lines
Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2004)The discrete complex image technique, originally developed to deal with three-dimensional planar structures, has been ...
-
Ponencia
Equivalent circuits for conventional and extraordinary reflection in dipole arrays
García Vigueras, María; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Rodríguez Berral, Raúl; Gómez Tornero, José Luis (Institute of Electrical and Electronics Engineers, 2011)This presents an equivalent transmission-line circuit that accounts for the scattering of a TE polarized plane wave that ...
-
Artículo
Excitation of Discrete and Continuous Spectrum in Subdiffraction Wire-Medium Type Lenses
Mesa Ledesma, Francisco Luis; Forouzmand, Ali; Yakovlev, Alexander B.; Hanson, George W.; Rodríguez Berral, Raúl; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2016)Subwavelength imaging of the near field of a magnetic line-source excitation is studied for several wire-medium (WM) lens ...
-
Ponencia
Fully analytical circuit-like approach for the TE scattering by narrow-slit printed gratings
Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2012)A fully analytical solution for the scattering of a uniform TE polarized plane wave by an infinite periodic printed array ...
-
Artículo
Making metals transparent: A circuit model approach
Molero Jiménez, Carlos; Medina Mena, Francisco; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis (The Optical Society, 2016)Solid metal films are well known to be opaque to electromagnetic waves over a wide frequency range, from low frequency to ...
-
Artículo
On the Computation of the Dispersion Diagram of Symmetric One-Dimensionally Periodic Structures
Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; Medina Mena, Francisco (MDPI, 2018-08)A critical discussion on the computation of the dispersion diagram of electromagnetic guiding/radiating structures with ...
-
Artículo
Physically-insightful equivalent circuit models for electromagnetic periodic structures
Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; Medina Mena, Francisco (IOP Publishing Ltd., 2018)In this presentation it will be discussed how to obtain analytical or quasi-analytical equivalent circuits to deal with ...
-
Artículo
Planar Resonant Blazed Gratings from a Circuit Model Standpoint
Molero, Carlos; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Memarian, Mohammad; Itoh, Tatsuo (Institute of Electrical and Electronics Engineers, 2020)The equivalent circuit approach (ECA) is used in this work to analyze and design a previously proposed one-dimensional ...
-
Artículo
Quasi-analytical modeling of transmission/reflection in strip/slit gratings loaded with dielectric slabs
Rodríguez Berral, Raúl; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; García Vigueras, María (Institute of Electrical and Electronics Engineers, 2012)This paper presents a quasi-analytical approach to study the classic topic of transmission/reflection of electromagnetic ...