NameMedina Mena, Francisco
DepartmentElectrónica y Electromagnetismo
Knowledge areaElectromagnetismo
Professional categoryCatedrático de Universidad
E-mailRequest
           
  • No. publications

    146

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Disorder Effects in One-Dimensionally Periodic Extraordinary Transmission Structures

Camacho Aguilar, Miguel; Fernández Prieto, Armando; Rodríguez Boix, Rafael; Medina Mena, Francisco (MDPI, 2022-01-01)
Extraordinary transmission structures show promising capabilities for highly selective filters in both frequency and angle ...
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Parametric analysis of the edge capacitance of uniform slots and application to frequency-variation permittivity sensors

Muñoz Enano, Jonathan; Martel Villagrán, Jesús; Vélez Rasero, Paris; Medina Mena, Francisco; Su, Lijuan; Martín Antolín, Ferran (MDPI, 2021-07-29)
This paper presents a parametric analysis relative to the effects of the dielectric constant of the substrate, substrate ...
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On the Modeling of Microstrip Lines Loaded With Dumbbell Defect-Ground-Structure (DB-DGS) and Folded DB-DGS Resonators

Su, Lijuan; Muñoz Enano, Jonathan; Vélez, Paris; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2021-01-01)
This paper presents a lumped-element equivalent circuit model of microstrip lines loaded with dumbbell defect-ground-structure ...
Final Degree Project
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Estructuras planas con simetría glide para rechazo de modo común

Fernández Prieto, Armando; Medina Mena, Francisco; Santos, Victoria dos Ortega (2021-01-01)
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Guest Editorial: Method of analytical regularisation for new frontiers of applied electromagnetics

Lucido, Mario; Kobayashi, Kazuya; Medina Mena, Francisco; Nosich, Alexander; Vinogradova, Elena (Institution of Engineering and Technology (IET), 2021-01-01)
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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, 2020-01-01)
The equivalent circuit approach (ECA) is used in this work to analyze and design a previously proposed one-dimensional ...
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Extraordinary Transmission and Radiation from Finite by Infinite Arrays of Slots

Camacho Aguilar, Miguel; Rodríguez Boix, Rafael; Medina Mena, Francisco; Hibbins, Alastair Paul; Sambles, John Roy (Institute of Electrical and Electronics Engineers, 2020-01-01)
In this communication an efficient method of moments (MoM) code is used for the analysis of the extraordinary transmission ...
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Multilayered balanced dual-band bandpass filter based on magnetically coupled open-loop resonators with intrinsic common-mode rejection

Medrán del Río, José Luis; Lujambio, Aintzane; Fernández Prieto, Armando; Martínez Ros, Alejandro Javier; Martel Villagrán, Jesús; Medina Mena, Francisco (Multidisciplinary Digital Publishing Institute (MDPI), 2020-01-01)
A new dual-band balanced bandpass filter based on magnetically coupled open-loop resonators in multilayer technology is ...
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On the Excitation of Magnetic Current Surface Waves in Truncated Periodic Arrays of Slots Under Extraordinary Transmission Conditions

Camacho Aguilar, Miguel; Losada Torres, Vicente; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2020-01-01)
In this paper, we explore the excitation of magnetic current surface waves in truncated periodic arrays of slots in a ...
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NUFFT for the Efficient Spectral Domain MoM Analysis of a Wide Variety of Multilayered Periodic Structures

Camacho Aguilar, Miguel; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2019-01-01)
In this paper the Method of Moments (MoM) in the spectral domain is used for the analysis of multilayered structures ...
Final Degree Project
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Propagación de pseudo-plasmones en líneas de transmisión impresas periódicas

Fernández Prieto, Armando; Medina Mena, Francisco; Lobato Gómez, David (2019-01-01)
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Roadmap on metasurfaces

Quevedo Teruel, Óscar; Chen, Hongsheng; Díaz Rubio, Ana; Gok, Gurkan; Grbic, Anthony; Minatti, Gabriele; Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; Medina Mena, Francisco (IOP Publishing, 2019-01-01)
Metasurfaces are thin two-dimensional metamaterial layers that allow or inhibit the propagation of electromagnetic waves ...
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On the Computation of the Dispersion Diagram of Symmetric One-Dimensionally Periodic Structures

Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; Medina Mena, Francisco (MDPI, 2018-08-01)
A critical discussion on the computation of the dispersion diagram of electromagnetic guiding/radiating structures with ...
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Balanced-To-Balanced Microstrip Diplexer Based on Magnetically Coupled Resonators

Fernández Prieto, Armando; Lujambio, Aintzane; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferrán; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2018-01-01)
Two balanced-To-balanced planar diplexers based on magnetically coupled microstrip resonators are proposed in this paper. ...
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Physically-insightful equivalent circuit models for electromagnetic periodic structures

Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; Medina Mena, Francisco (IOP Publishing Ltd., 2018-01-01)
In this presentation it will be discussed how to obtain analytical or quasi-analytical equivalent circuits to deal with ...
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Resonant Modes of a Waveguide Iris Discontinuity: Interpretation in Terms of Canonical Circuits

Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2018-01-01)
This paper presents an eigenproblem for computing the resonances of multiresonant irislike discontinuities in waveguides. ...
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Compact balanced-to-balanced diplexer based on split-ring resonators balanced bandpass filters

Fernández Prieto, Armando; Lujambio, Aintzane; Martín, Ferran; Martel Villagrán, Jesús; Medina Mena, Francisco; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2018-01-01)
A compact balanced-to-balanced diplexer composed of two balanced bandpass filters is proposed in this letter. The balanced ...
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Unlocking Complexity Using the ECA: The Equivalent Circuit Model as An Efficient and Physically Insightful Tool for Microwave Engineering

Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; Medina Mena, Francisco (IEEE Computer Society, 2018-01-01)
In the study of electromagnetic wave propagation and scattering, researchers have always faced the dichotomy of dealing ...
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The Beauty of Symmetry: Common-mode rejection filters for high-speed interconnects and balanced microwave circuits

Martin, Ferran; Naqui, Jordi; Fernández Prieto, Armando; Vélez, Paris; Bonache, Jordi; Martel Villagrán, Jesús; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2017-02-01)
Common-mode rejection filters operating at microwave frequencies have been the subject of intensive research activity in ...
Final Degree Project
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Líneas de transmisión artificiales para señales diferenciales con rechazo de modo común

Medina Mena, Francisco; Fernández Prieto, Armando; Reina Campo, Pablo (2017-01-01)
En el campo de las comunicaciones eléctricas, el uso del espectro de microondas se ha ido generalizando progresivamente, ...
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Wideband analytical equivalent circuit for coupled asymmetrical nonaligned slit arrays

Molero Jiménez, Carlos; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Physical Society, 2017-01-01)
Microstructured metallic devices have been extensively studied because of their interesting properties for controlling the ...
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Theoretical and experimental exploration of finite sample size effects on the propagation of surface waves supported by slot arrays

Camacho Aguilar, Miguel; Rodríguez Boix, Rafael; Medina Mena, Francisco; Hibbins, Alastair P.; Sambles, J. Roy (American Institute of Physics, 2017-01-01)
The propagation of surface waves supported by a finite array of slots perforated on a zero thickness perfect electrically ...
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On the extraordinary optical transmission in parallel plate waveguides for non-TEM modes

Camacho Aguilar, Miguel; Rodríguez Boix, Rafael; Medina Mena, Francisco; Hibbins, Alastair P.; Sambles, J. Roy (The Optical Society, 2017-01-01)
Extraordinary transmission has been recently measured in a parallel plate waveguide (PPWG) through a metal strip with a ...
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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, 2017-01-01)
A 2-D periodic array of annular apertures (or ring slots) is studied using an accurate circuit model. The model accounts ...
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Differential Lines for Common-Mode Suppression Based in Hybrid Microstrip/CPW Technology

Martel Villagrán, Jesús; Fernández Prieto, Armando; Lujambio, Aintzane; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2017-01-01)
A symmetrical pair of differential microstrip lines implemented in hybrid microstrip/coplanar waveguide (CPW) technology ...
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Compact Balanced Dual-Band Bandpass Filter Based on Modified Coupled-Embedded Resonators

Bagci, Fulya; Fernández Prieto, Armando; Lujambio, Aintzane; Martel Villagrán, Jesús; Bernal Méndez, Joaquín; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2017-01-01)
A new compact balanced dual-band bandpass filter based on coupled-embedded resonators with modified ground plane is presented ...
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Wideband analytical equivalent circuit for one-dimensional periodic stacked arrays

Molero Jiménez, Carlos; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Yakovlev, Alexander B. (American Physical Society, 2016-01-01)
A wideband equivalent circuit is proposed for the accurate analysis of scattering from a set of stacked slit gratings ...
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Making metals transparent: A circuit model approach

Molero Jiménez, Carlos; Medina Mena, Francisco; Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis (The Optical Society, 2016-01-01)
Solid metal films are well known to be opaque to electromagnetic waves over a wide frequency range, from low frequency to ...
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Computationally efficient analysis of extraordinary optical transmission through infinite and truncated subwavelength hole arrays

Camacho Aguilar, Miguel; Rodríguez Boix, Rafael; Medina Mena, Francisco (American Physical Society, 2016-01-01)
The authors present a computationally efficient technique for the analysis of extraordinary transmission through both ...
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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, 2016-01-01)
Metallic plates with a two-dimensional (2D) periodic distribution of sub-wavelength apertures are known to exhibit ...
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Simplified Modal Expansion to Analyze Frequency-Selective Surfaces: An Equivalent Circuit Approach

Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl; García Vigueras, María; Medina Mena, Francisco; Mosig, Juan Ramón (Institute of Electrical and Electronics Engineers, 2016-01-01)
This communication extends a previously reported analytical circuit that models the plane wave scattering by 2-D arrays ...
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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, 2016-01-01)
Metallic compound gratings are studied in this work by means of an analytical equivalent circuit approach in order to ...
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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, 2016-01-01)
Subwavelength imaging of the near field of a magnetic line-source excitation is studied for several wire-medium (WM) lens ...
Final Degree Project
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Transmisión y absorción de ondas electromagnéticas por estructuras periódicas

Medina Mena, Francisco; Chavero Royán, José (2016-01-01)
En el presente trabajo se estudia la transmisión y absorción de ondas electromagnéticas a través de un determinado tipo ...
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Ultra-compact (80 mm 2) differential-mode ultra-wideband (UWB) bandpass filters with common-mode noise suppression

Vélez, Paris; Naqui, Jordi; Fernández Prieto, Armando; Bonache, Jordi; Mata Contreras, Javier; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2015-01-01)
This paper presents a novel approach for the implementation of balanced ultra-wideband (UWB) bandpass filters with common-mode ...
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Compact balanced FSIR bandpass filter modified for enhancing common-mode suppression

Fernández Prieto, Armando; Martel Villagrán, Jesús; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2015-01-01)
A novel balanced bandpass filter (BPF) based on folded stepped impedance resonators (FSIR's) with modified ground plane ...
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Modeling of Nonresonant Longitudinal and Inclined Slots for Resonance Tuning in ENZ Waveguide Structures

Vojnović, Nebojša; Jokanovic, Branka; Radovanović, Miloš; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2015-01-01)
Novel methods are presented for the independent resonance tuning in rectangular waveguide epsilon-near-zero (ENZ) structures. ...
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Non-uniform sinusoidally modulated half-mode leaky-wave lines for near-field focusing pattern synthesis

Martínez Ros, Alejandro Javier; Gómez Tornero, José Luis; Losada Torres, Vicente; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2015-01-01)
A novel non-uniform sinusoidally modulated half-mode microstrip structure with application to near-field focused leaky-wave ...
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Simple and compact balanced bandpass filters based on magnetically coupled resonators

Fernández Prieto, Armando; Lujambio, Aintzane; Martel Villagrán, Jesús; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2015-01-01)
A simple strategy is proposed to design differential-mode bandpass filters with good common-mode (CM) rejection using ...
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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, 2015-01-01)
A fully analytical multimodal equivalent circuit is presented for the modeling of the scattering of an obliquely incident ...
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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, 2014-01-01)
An analytical circuit model is obtained to study the reflection of TM polarized electromagnetic waves that impinge obliquely ...
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Enhanced modelling of split-ring resonators couplings in printed circuits

Bojanić, Radovan; Milošević, Vojislav; Jokanovic, Branka; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2014-01-01)
An enhanced equivalent circuit approach for the magnetic/electric interaction of single split-ring resonators (SRRs) with ...
Presentation
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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, 2014-01-01)
This work presents a rigorous circuit model to compute the transmission/reflection properties of a finite number of stacked ...
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Effects of inter-resonator coupling in split ring resonator loaded metamaterial transmission lines

Naqui, Jordi; Fernández Prieto, Armando; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Martín, F. (American Institute of Physics, 2014-01-01)
This paper investigates the effects of inter-resonator coupling in metamaterial transmission lines loaded with split ring ...
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Study and Design of a Compact Parallel Coupled Microstrip Band-Pass Filter for a 5 GHz Unlicensed Mobile WiMAX Networks

Naghar, A.; Aghzout, O.; Medina Mena, Francisco; Alaydrus, M.; Essaaidi, M. (International Journal of Science and Technology, 2013-01-01)
In this paper, a compact parallel coupled microstrip band-pass filter (BPF) is used to design a wideband third order of ...
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A Novel U-Shaped Tri-Band Antenna on High Permittivity Multilayer Substrate for Wireless Communications

Aghzout, O.; Naghar, A.; Medina Mena, Francisco; Alaydrus, M.; Essaaidi, M. (Editorial Advisory Panel, 2013-01-01)
In this paper, a detailed study of a new proposed rectangular dielectric u-shaped tri-band antenna is presented. A meticulous ...
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Dual capacitive-inductive nature of graphene metasurface: Transmission characteristics at low-terahertz frequencies

Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S.R.; Hansony, George W.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2013-01-01)
We report on the dual nature (capacitive and inductive) of the surface impedance of periodic graphene patches at low-terahertz ...
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Differential bandpass filters with common-mode suppression based on stepped impedance resonators (SIRs)

Vélez, Paris; Naqui, Jordi; Fernández Prieto, Armando; Durán Sindreu, Miguel; Bonache, Jordi; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2013-01-01)
A novel strategy for the design of common-mode suppressed differential (or balanced) filters, based on stepped impedance ...
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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, 2013-01-01)
This contribution provides a fully analytical transmission-line circuit model for the transmission/reflection of an obliquely ...
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Differential bandpass filter with common-mode suppression based on open split ring resonators and open complementary split ring resonators

Vélez, Paris; Naqui, Jordi; Fernández Prieto, Armando; Durán Sindreu, Miguel; Bonache, Jordi; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2013-01-01)
Differential (balanced) microstrip bandpass filters (BPFs) implemented by combining open split ring resonators (OSRRs) and ...
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Self-complementary metasurface for designing narrow band pass/stop filters

Ortiz, Julián D.; Baena, Juan D.; Losada Torres, Vicente; Medina Mena, Francisco; Marqués Sillero, Ricardo; Araque Quijano, Javier Leonardo (Institute of Electrical and Electronics Engineers, 2013-01-01)
A self-complementary metasurface is studied in this paper. The metasurface is a 2-D periodical arrangement of unit cells ...
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Spatial angular filtering by FSSs made of chains of interconnected SRRs and CSRRs

Ortiz, Julián D.; Baena, Juan D.; Losada Torres, Vicente; Medina Mena, Francisco; Araque, Javier L. (Institute of Electrical and Electronics Engineers, 2013-01-01)
Two frequency selective surfaces (FSSs) made of an infinite set of parallel 1-D chains of interconnected split ring ...
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Dual-band differential filter using broad-band common-mode rejection artificial transmission line

Mesa Ledesma, Francisco Luis; Qian, Shilong; Hong, Jia-Sheng; Naqui, Jordi; Martín, Ferrán; Fernández Prieto, Armando; Medina Mena, Francisco; Martel Villagrán, Jesús (2013-01-01)
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Dual capacitive-inductive nature of periodic graphene patches: Transmission characteristics at low-terahertz frequencies

Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S. R.; Hanson, George W.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (American Physical Society, 2013-01-01)
We report on the dual nature (capacitive and inductive) of the surface impedance of periodic graphene patches at low-terahertz ...
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Transmission through stacked 2D periodic distributions of square conducting patches

Kaipa, Chandra S. R.; Yakovlev, Alexander B.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (American Institute of Physics, 2012-01-01)
In this paper, we study the transmissivity of electromagnetic waves through stacked two-dimensional printed periodic arrays ...
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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, 2012-01-01)
This paper presents a fully analytical model to determine the transmission and reflection properties of planar 1-D ...
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Generalized additional boundary conditions and analytical model for multilayered mushroom-type wideband absorbers

Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S.R.; Hanson, George W.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Glisson, Allen W. (Institute of Electrical and Electronics Engineers, 2012-01-01)
We present an analytical model to study the reflection properties of a multilayered wire media loaded with 2-D arrays of ...
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Common-mode suppression in microstrip differential lines by means of complementary split ring resonators: Theory and applications

Naqui, Jordi; Fernández Prieto, Armando; Durán Sindreu, Miguel; Mesa Ledesma, Francisco Luis; Martel Villagrán, Jesús; Medina Mena, Francisco; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2012-01-01)
This paper is focused on the application of complementary split-ring resonators (CSRRs) to the suppression of the common ...
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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, 2012-01-01)
This paper presents a quasi-analytical approach to study the classic topic of transmission/reflection of electromagnetic ...
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Low-terahertz transmissivity with a graphene-dielectric micro-structure

Kaipa, Chandra S.R.; Yakovlev, Alexander B.; Hanson, George W.; Padooru, Yashwanth R.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2012-01-01)
In this paper, we report on the analysis of transmissivity of electromagnetic waves through a stack of dielectric slabs ...
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Simplified circuit model for arrays of metallic dipoles sandwiched between dielectric slabs under arbitrary incidence

García Vigueras, María; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Rodríguez Berral, Raúl; Gómez Tornero, José Luis (Institute of Electrical and Electronics Engineers, 2012-01-01)
This work presents an equivalent circuit to model the transmission/ reflection of a plane wave that impinges obliquely on ...
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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, 2012-01-01)
A fully analytical solution for the scattering of a uniform TE polarized plane wave by an infinite periodic printed array ...
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New absorbing boundary conditions and analytical model for multilayered mushroom-type metamaterials: Applications to wideband absorbers

Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S.R.; Hanson, George W.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Glisson, Allen W. (Institute of Electrical and Electronics Engineers, 2012-01-01)
An analytical model is presented for the analysis of multilayer wire media loaded with 2-D arrays of thin material ...
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Enhanced transmission with a graphene-dielectric microstructure at low-terahertz frequencies

Kaipa, Chandra S. R.; Yakovlev, Alexander B.; Hanson, George W.; Padooru, Yashwanth R.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (American Physical Society, 2012-01-01)
Here, we report on the transmissivity of electromagnetic waves through a stack of monolayer graphene sheets separated by ...
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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, 2011-01-01)
This paper presents a very simple analytical model for the analysis of the resonant transmission of microwaves or millimeter ...
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Circuit modeling of multiband high-impedance surface absorbers in the microwave regime

Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S. R.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (American Physical Society, 2011-01-01)
In this paper, we present a simple circuit model to study the absorption of electromagnetic waves by a multilayer structure ...
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Analytical modeling of compound metallic reflection gratings

Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Skigin, Diana Carina (Institute of Electrical and Electronics Engineers, 2011-01-01)
The transmission and reflection of electromagnetic waves impinging on metallic surfaces with periodically distributed slits ...
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A band-pass/stop filter made of SRRs and C-SRRs

Ortiz, Julián D.; Baena, Juan D.; Marqués Sillero, Ricardo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2011-01-01)
Frequency Selective Surfaces (FSS) are usually classified into two big groups depending on wether they are made of unconnected ...
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Split rings-based differential transmission lines with common-mode suppression

Naqui, Jordi; Fernández Prieto, Armando; Durán Sindreu, Miguel; Selga, Jordi; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Martín, Ferran (Institute of Electrical and Electronics Engineers, 2011-01-01)
A novel microstrip differential transmission line with common-mode noise suppression is proposed and experimentally ...
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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, 2011-01-01)
This presents an equivalent transmission-line circuit that accounts for the scattering of a TE polarized plane wave that ...
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Multi-band high-impedance surface absorbers with a single resistive sheet: Circuit theory model

Padooru, Yashwanth R.; Yakovlev, Alexander B.; Kaipa, Chandra S.R.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2011-01-01)
We present a simple and efficient circuit model for the analysis of multi-band absorption characteristics of a stack of ...
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Circuit modeling of the transmissivity of stacked two-dimensional metallic meshes

Kaipa, Chandra S. R.; Yakovlev, Alexander B.; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Butler, Celia A. M.; Hibbins, Alastair P. (Optical Society of America, 2010-01-01)
This paper presents a simple analytical circuit-like model to study the transmission of electromagnetic waves through ...
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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, 2010-01-01)
This paper proposes an equivalent circuit model that uses lumped elements and transmission lines to explain the transmission ...
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Broadband Extraordinary Transmission in a single sub-wavelength aperture

Tang, Wenxuan; Hao, Yang; Medina Mena, Francisco (Optical Society of America, 2010-01-01)
Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single ...
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Extraordinary transmission through arrays of slits: A circuit theory model

Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Skigin, Diana Carina (Institute of Electrical and Electronics Engineers, 2010-01-01)
Extraordinary transmission and other interesting related phenomena for 1-D periodic arrays of slits (compound diffraction ...
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Study of extraordinary transmission in a circular waveguide system

Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Ruiz Cruz, Jorge A.; Rebollar, Jésus M.; Montejo Garai, José Ramón (Institute of Electrical and Electronics Engineers, 2010-01-01)
Extraordinary transmission through periodic distributions of sub-wavelength holes made in opaque screens has been demonstrated ...
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Application of stub loaded folded stepped impedance resonators to dual band filter design

Velázquez Ahumada, María del Castillo; Mesa Ledesma, Francisco Luis; Martel Villagrán, Jesús; Medina Mena, Francisco (2010-01-01)
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Design of a band-pass filter using stepped impedance resonators with floating conductors

Velázquez Ahumada, María del Castillo; Mesa Ledesma, Francisco Luis; Martel Villagrán, Jesús; Medina Mena, Francisco (2010-01-01)
Patent
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Filtros RF y microondas paso bajo usando líneas microtira y guías coplanares combinadas.

Velazquez Ahumada, M. Del Castillo; Martel Villagrán, Jesús; Medina Mena, Francisco (Oficina Española de Patentes y Marcas , 2009-11-11)
Filtros RF y microondas bajo paso usando líneas microtira y guías coplanares combinadas.La presente invención se refiere ...
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Experimental verification of extraordinary transmission without surface plasmons

Medina Mena, Francisco; Ruiz Cruz, J. A.; Mesa Ledesma, Francisco Luis; Rebollar, J. M.; Montejo Garai, J. R.; Marqués Sillero, Ricardo (American Institute of Physics, 2009-01-01)
This letter provides an experimental demonstration of extraordinary transmission in a closed waveguide system loaded with ...
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Microstrip circuit analog of a complex diffraction phenomenon

Fernández Prieto, Armando; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (American Institute of Physics, 2009-01-01)
This letter presents a methodology to reproduce at microwave frequencies the physical behavior of certain diffraction ...
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Some advances in the circuit modeling of extraordinary optical transmission

Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Rodríguez Berral, Raúl (Brno University of Technology, 2009-01-01)
The phenomenon of extraordinary optical transmission (EOT) through electrically small holes perforated on opaque metal ...
Presentation
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Design of a dual band-pass filter using modified folded stepped-impedance resonators

Velázquez Ahumada, María del Castillo; Martel Villagrán, Jesús; Medina Mena, Francisco; Mesa Ledesma, Francisco Luis (Institute of Electrical and Electronics Engineers, 2009-01-01)
A folded stepped impedance resonator (SIR) modified by adding an inner quasi-lumped SIR stub is used as the basic block ...
PhD Thesis
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Filtros distribuidos y localizados en tecnología mixta microstrip/Guía coplanar

Martel Villagrán, Jesús; Medina Mena, Francisco; Velázquez Ahumada, María del Castillo (2009-01-01)
En esta memoria pretendemos contribuir al desarrollo de nuevos diseños tanto de filtros distribuidos como de filtros ...
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Analytical theory of wave propagation through stacked fishnet metamaterials

Marqués Sillero, Ricardo; Jelinek, Lukas; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Optical Society of America, 2009-01-01)
This work analyzes the electromagnetic wave propagation through periodically stacked fishnets from zero frequency to the ...
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Analytical theory of extraordinary transmission through metallic diffraction screens perforated by small holes

Marqués Sillero, Ricardo; Mesa Ledesma, Francisco Luis; Jelinek, Lukas; Medina Mena, Francisco (Optical Society of America, 2009-01-01)
In this letter, the problem of extraordinary (ET) transmission of electromagnetic waves through opaque screens perforated ...
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Closed-form expressions of multilayered planar Green's functions that account for the continuous spectrum in the far field

Mesa Ledesma, Francisco Luis; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2008-01-01)
The rational function fitting method has been found useful in the derivation of closed-form expressions of spatial-domain ...
Presentation
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Equivalent circuit model to explain extraordinary transmission

Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Marqués Sillero, Ricardo (Institute of Electrical and Electronics Engineers, 2008-01-01)
This work proposes a circuit model based explanation for the extraordinary transmission (ET) of light phenomenon studied ...
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Extraordinary transmission through arrays of electrically small holes from a circuit theory perspective

Medina Mena, Francisco; Mesa Ledesma, Francisco Luis; Marqués Sillero, Ricardo (Institute of Electrical and Electronics Engineers, 2008-01-01)
Extraordinary optical transmission of light or electromagnetic waves through metal plates periodically perforated with ...
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An efficient approach for the computation of 2-D Green's functions with 1-D and 2-D periodicities in homogeneous media

López Fructos, Ana María; Rodríguez Boix, Rafael; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2008-01-01)
This paper presents an algorithm for the acceleration of the series involved in the computation of 2-D homogeneous Green's ...
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Design of wide-band semi-lumped bandpass filters using open split ring resonators

Martel Villagrán, Jesús; Bonache, Jordi; Marqués Sillero, Ricardo; Martín, Ferran; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2007-01-01)
Open split ring resonators (OSRRs) are used in this letter to design wide-band semi-lumped bandpass filters. OSRRs work ...
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Design of compact low-pass elliptic filters using double-sided MIC technology

Velázquez Ahumada, María del Castillo; Martel Villagrán, Jesús; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2007-01-01)
A novel implementation of stepped-impedance low-pass elliptic filters is presented in this paper. The filters are based ...
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Application of total least squares to the derivation of closed-form green's functions for planar layered media

Rodríguez Boix, Rafael; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2007-01-01)
A new technique is presented for the numerical derivation of closed-form expressions of spatial-domain Green's functions ...
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Numerical implementation of the mixed potential integral equation for planar structures with ferrite layers arbitrarily magnetized

Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Wiley-Blackwell, 2006-01-01)
This work presents a new implementation of the mixed potential integral equation (MPIE) for planar structures that can ...
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Quasi-TM MoL/MoM approach for computing the transmission-line parameters of lossy lines

Plaza Valtueña, Gonzalo; Marqués Sillero, Ricardo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2006-01-01)
This paper presents a quasi-TM approach for the fundamental mode of transmission lines with semiconductor substrates and ...
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Near-field enhanced imaging by a magnetized ferrite slab

Marqués Sillero, Ricardo; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Institute of Physics, 2005-01-01)
This letter demonstrates the near-field imaging enhancement at microwave frequencies of two-dimensional sources by a ferrite ...
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Characteristics of aperture coupled microstrip antennas on magnetized ferrite substrates

León Fernández, Germán; Rodríguez Boix, Rafael; Freire Rosales, Manuel José; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2005-01-01)
The method of moments in the spectral domain is applied to the full-wave analysis of aperture coupled microstrip antennas ...
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Near-perfect tunneling and amplification of evanescent electromagnetic waves in a waveguide filled by a metamaterial: Theory and experiments

Baena, J.D.; Jelinek, J.; Marqués Sillero, Ricardo; Medina Mena, Francisco (American Physical Society, 2005-01-01)
Amplification of evanescent electromagnetic waves by a metamaterial slab is still a controversial issue. Metallic waveguides ...
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Two-dimensional study of leaky modes in microstrip line with a semi-infinite cover layer

Rodríguez Berral, Raúl; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Wiley-Blackwell, 2004-01-01)
This work presents a two-dimensional (2-D) study of the modal spectrum of a single microstrip and a pair of coupled ...
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Parallel coupled microstrip filters with ground-plane aperture for spurious band suppression and enhanced coupling

Velázquez Ahumada, María del Castillo; Martel Villagrán, Jesús; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2004-01-01)
Parallel coupled microstrip sections with a slotted ground plane are proposed as building blocks of coupled-line microstrip ...
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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, 2004-01-01)
The discrete complex image technique, originally developed to deal with three-dimensional planar structures, has been ...
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Artificial magnetic metamaterial design by using spiral resonators

Baena, J.D.; Marqués Sillero, Ricardo; Medina Mena, Francisco; Martel Villagrán, Jesús (American Physical Society, 2004-01-01)
A metallic planar particle, that will be called spiral resonator (SR), is introduced as a useful artificial atom for ...
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Planar magnetoinductive wave transducers: Theory and applications

Freire Rosales, Manuel José; Marqués Sillero, Ricardo; Medina Mena, Francisco; Laso, M. A. G.; Martín, F. (American Institute of Physics, 2004-01-01)
Transduction of raagnetoinductive waves (MIWs) in planar technology is demonstrated. A transducer consisting of a ...
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Comment on "electromagnetic resonances in individual and coupled split-ring resonators"

Marqués Sillero, Ricardo; Medina Mena, Francisco; Rafii-El-Idrissi, Rachid (American Institute of Physics, 2003-01-01)
Resonances appearing in split-ring resonators (SRR) were explained by the theory about the magnetoelectric coupling in the ...
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Comment on "left-handed-media simulation and transmission of EM waves in subwavelength split-ring-resonator-loaded metallic waveguides"

Kondrat'ev, I. G.; Smirnov, A. I.; Marqués Sillero, Ricardo; Martel Villagrán, Jesús; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Physical Society, 2003-01-01)
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Marqués et al. reply

Marqués Sillero, Ricardo; Martel Villagrán, Jesús; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (American Physical Society, 2003-01-01)
A Reply to the Comment by I.G. Kondrat’ev and A.I. Smirnov.
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Radar cross section of stacked circular microstrip patches on anisotropic and chiral substrates

Losada Torres, Vicente; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2003-01-01)
Galerkin's method in the Hankel transform domain (HTD) is applied to the determination of the radar cross section (RCS) ...
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Insertion loss of magnetostatic-surface wave transducers - Transmission-line model and experiment

Freire Rosales, Manuel José; Marqués Sillero, Ricardo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2003-01-01)
In this paper, a transmission-line model is developed for the computation of the insertion loss of magnetostatic-surface ...
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Comparative Analysis of Edge- and Broadside-Coupled Split Ring Resonators for Metamaterial Design - Theory and Experiments

Marqués Sillero, Ricardo; Mesa Ledesma, Francisco Luis; Martel Villagrán, Jesús; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2003-01-01)
This paper develops a quasi-analytical and self-consistent model to compute the polarizabilities of split ring resonators ...
Presentation
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Full-wave analysis of tunable microstrip filters fabricated on magnetized ferrites

León Fernández, Germán; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2003-01-01)
The method of moments in the spectral domain was employed in the rigorous full-wave numerical determination of the scattering ...
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Full-wave analysis of the excitation of magnetostatic-surface waves by a semi-infinite microstrip transducer - Theory and experiment

Freire Rosales, Manuel José; Marqués Sillero, Ricardo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2003-01-01)
This paper presents a new method for the complete characterization of the radiation of magnetostatic-surface waves in ...
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Experimental results on metamaterial simulation using SRR-loaded waveguides

Baena Doello, Juan Domingo; Marqués Sillero, Ricardo; Martel Villagrán, Jesús; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2003-01-01)
The recently proposed Split Ring Resonator (SRR) - loaded waveguide as a simulator of a left-handed medium (LHM) is extended ...
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Left-handed-media simulation and transmission of EM waves in subwavelength split-ring-resonator-loaded metallic waveguides

Marqués Sillero, Ricardo; Medina Mena, Francisco; Martel Villagrán, Jesús; Mesa Ledesma, Francisco Luis (American Physical Society, 2002-10-28)
At microwave frequencies, hollow metallic waveguides behave in certain aspects as a “one-dimensional plasma.” This feature ...
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Full-wave analysis of a wide class of microstrip resonators fabricated on magnetized ferrites with arbitrarily oriented bias magnetic field

León Fernández, Germán; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2002-01-01)
A numerical code has been developed for the full-wave determination of the resonant frequencies and quality factors of ...
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Treatment of singularities and quasi-static terms in the EFIE analysis of planar structures

Plaza Valtueña, Gonzalo; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2002-01-01)
This paper reports on some mathematical and numerical details of the application of the electric field integral equation ...
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Analysis of the propagation of leaky magnetostatic modes in normally magnetized microstrip and slot lines

Marqués Sillero, Ricardo; Rafii-El-Idrissi, Rachid; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2002-01-01)
The propagation of leaky forward magnetostatic (MS) volume waves along ferrite-loaded microstrip and slot lines is analyzed. ...
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Efficient evaluation of reaction integrals in the EFIE analysis of planar layered structures with uniaxial anisotropy

Mesa Ledesma, Francisco Luis; Plaza Valtueña, Gonzalo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2002-01-01)
This paper presents an efficient implementation of the electric-field integral-equation (EFIE) method to deal with planar ...
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On the fast approximation of Green's functions in MPIE formulations for planar layered media

Shuley, Nicholas V.Z.; Rodríguez Boix, Rafael; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 2002-01-01)
The numerical implementation of the complex image approach for the Green's function of a mixed-potential integral-equation ...
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2-D analysis of leakage in printed-circuit lines using discrete complex-images technique

Bernal Méndez, Joaquín; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2002-01-01)
The mixed-potential integral equation is combined with the discrete complex-images technique to analyze the complete ...
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Role of bianisotropy in negative, permeability and left-handed metamaterials

Marqués Sillero, Ricardo; Medina Mena, Francisco; Rafii-El-Idrissi, Rachid (American Physical Society, 2002-01-01)
The recently proposed artificial media with negative magnetic permeability and left-handed metamaterials are revisited at ...
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Efficient analysis of magnetostatic surface waves in printed and suspended ferrite loaded strip lines

Rafii-El-Idrissi, Rachid; Marqués Sillero, Ricardo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2001-01-01)
This paper analyzes the guidance of magnetostatic surface waves (MSSW) by a metallic strip printed on a ferrimagnetic slab ...
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Comments on "Internal impedance of conductors of rectangular cross section"

Medina Mena, Francisco; Marqués Sillero, Ricardo (Institute of Electrical and Electronics Engineers, 2001-01-01)
The alternate current (ac) internal impedance of rectangular cross-sectional conductors used as transmission lines and ...
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Full-wave analysis of nonplanar transmission lines on layered medium by means of mpie and complex image theory

Bernal Méndez, Joaquín; Medina Mena, Francisco; Rodríguez Boix, Rafael (Institute of Electrical and Electronics Engineers, 2001-01-01)
In this paper, a multiconductor transmission line consisting of arbitrary cross-sectional perfect conductors printed on a ...
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A suitable integral equation for the quasi-TEM analysis of hybrid strip/slot-like structures

Martel Villagrán, Jesús; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2001-01-01)
This paper reports on a suitable formulation of the spectraldomain/integral-equation method for the quasi-TEM analysis of ...
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Comprehensive analysis of strip- and slot-line guided forward, backward, and complex magnetostatic waves

Rafii-El-Idrissi, Rachid; Marqués Sillero, Ricardo; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2001-01-01)
This paper presents a comprehensive and accurate analysis of the guidance of volume and surface magnetostatic waves by ...
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On the use of SDA for the analysis of boxed planar lines with complex media

Plaza Valtueña, Gonzalo; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2001-01-01)
This paper discusses the conditions under which the spectral-domain approach (SDA) can be applied to the analysis of boxed ...
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Evaluation of the radar cross section of circular microstrip patches on anisotropic and chiral substrates

Losada Torres, Vicente; Rodríguez Boix, Rafael; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2001-01-01)
Galerkin's method in the Hankel transform domain (HTD) is applied to the determination of the radar cross section (RCS) ...
Presentation
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Analysis of leakage in multilayered microstrip lines using complex images

Bernal Méndez, Joaquín; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2001-01-01)
The Mixed Potential Integral Equation (MPIE) is combined with the complex image method to analyze the complete spectrum ...
Presentation
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Determination of the radar cross section of stacked circular microstrip patches

Rodríguez Boix, Rafael; Losada Torres, Vicente; Medina Mena, Francisco (Institute of Electrical and Electronics Engineers, 2000-01-01)
Galerkin's method in the Hankel transform domain (HTD) was used to determine the radar cross section (RCS) of stacked ...
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Fast full-wave analysis of multistrip transmission lines based on MPIE and complex image theory

Bernal Méndez, Joaquín; Medina Mena, Francisco; Rodríguez Boix, Rafael; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 2000-01-01)
The mixed-potential electric-field integral equation is used in conjunction with the Galerkin's method and complex image ...
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On the efficient implementation of SDA for boxed strip-like and slot-like structures

Cano Gómez, Gabriel; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1998-01-01)
This paper reports on an enhanced implementation of the spectral-domain analysis (SDA) of boxed multistrip or multislot ...
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Quick quasi-TEM analysis of multiconductor transmission lines with rectangular cross section

Bernal Méndez, Joaquín; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1997-01-01)
This paper presents an efficient and accurate procedure for computing the quasi-static matrix parameters ([C], [L], [G], ...
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Analysis, Synthesis, and Experimental Validation of a New Type of Microstrip Transition

Masot Conde, Fátima; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1995-01-01)
This paper presents the theoretical analysis, synthesis, and experimental validation of a wideband transition between a ...
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Systematic Computation of the Modal Spectrum of Boxed Microstrip, Finline, and Coplanar Waveguides Via an Efficient SDA

Cano Gómez, Gabriel; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1995-01-01)
This work reports an efficient and systematic procedure to obtain the complete modal spectrum of multilayer boxed planar ...
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Analysis and Experimental Validation of a Type of Three-Microstrip Directional Coupler

Masot Conde, Fátima; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1994-01-01)
This paper presents an efficient analysis of a semi reentrant microstrip coupler section. The structure provides tight ...
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Quick Computation of [C] and [L] Matrices of Generalized Multiconductor Coplanar Waveguide Transmission Lines

Drake Moyano, Enrique; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1994-01-01)
An enhanced spectral domain quasi-TEM analysis of generalized coplanar waveguide transmission lines (GCPWTL) is presented. ...
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Improved quasi-TEM spectral domain analysis of boxed coplanar multiconductor microstrip lines

Drake Moyano, Enrique; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1993-01-01)
This paper presents a very efficient quasi-TEM analysis of multistrip transmission systems embedded in a layered medium. ...
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Efficient Spectral Domain Analysis of Generalized Multistrip Lines in Stratified Media Including Thin, Anisotropic, and Lossy Substrates

Cano Gómez, Gabriel; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1992-01-01)
This paper deals with the full-wave analysis of multiconductor microstrip lines used in electrooptic modulators (EOM), ...
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An Improved Iterative Technique for the Quasi-Tem Analysis of Generalized Planar Lines

Drake Moyano, Enrique; Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1992-01-01)
The Generalized Bioconjugate Gradient Method (GBGM) and FFT algorithms are used for the quasi-TEM analysis of generalized ...
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Quasi-Analytical Static Solution of the Boxed Microstrip Line Embedded in a Layered Medium

Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1992-01-01)
In this paper, a quasi-analytical method is presented to carry out the quasi-TEM study of a microstrip line embedded in a ...
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On the Quasi-TEM and Full-Wave Approaches Applied to Coplanar Multistrip on Lossy Dielectric Layered Media

Mesa Ledesma, Francisco Luis; Cano Gómez, Gabriel; Medina Mena, Francisco; Marqués Sillero, Ricardo; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1992-01-01)
The characteristic parameters of coplanar multistrip lines embedded in multilayered lossless/lossy substrates are commonly ...
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Quasi-TEM analysis of multilayered, multiconductor coplanar structures with dielectric and magnetic anisotropy including substrate losses

Horno Montijano, Manuel; Mesa Ledesma, Francisco Luis; Medina Mena, Francisco; Marqués Sillero, Ricardo (Institute of Electrical and Electronics Engineers, 1990-01-01)
A quasi-TEM (transverse electromagnetic) analysis of multiconductor planar lines embedded in a layered structure involving ...
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Spectral and variational analysis of generalized cylindrical and elliptical strip and microstrip lines

Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1990-01-01)
The variational technique in the spectral domain (VTSD) is shown to be an efficient method for computing the quasi-TEM ...
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Generalized Spectral Analysis of Planar Lines on Layered Media Including Uniaxial and Biaxial Dielectric Substrates

Medina Mena, Francisco; Horno Montijano, Manuel; Baudrand, Henri (Institute of Electrical and Electronics Engineers, 1989-01-01)
In this paper the spectral-domain analysis (SDA) is generalized in order to compute the dispersive properties of a wide ...
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Capacitance and Inductance Matrices for Multistrip Structures in Multilayered Anisotropic Dielectrics

Medina Mena, Francisco; Horno Montijano, Manuel (Institute of Electrical and Electronics Engineers, 1987-01-01)
In this paper we present a unified variational approach to determine the capacitance and inductance matrices of generalized ...
PhD Thesis
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Estudio de líneas de transmisión encapsuladas de configuración planar en dieléctricos anisótropos

Horno Montijano, Manuel; Medina Mena, Francisco (1987-01-01)
En este trabajo se desarrollan sendos métodos de cálculo para el estudio de las características de propagación de sistemas ...