Listar por autor UPNA "Sorolla Ayza, Mario"
Mostrando ítems 41-60 de 61
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New regimes to achieve enhanced transmission through subwavelength hole arrays
Navarro Cía, Miguel
; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (2011)
Contribución a congreso / Biltzarrerako ekarpena 
In this communication we present millimetre- and THz-waves experimental confirmation of enhanced transmission through subwavelength hole arrays with rectangular lattice when the incident electric field is parallel to ... -
Nuevas consideraciones al diseño de conversores de modos TE0m-TE0n para aplicaciones de alta potencia a frecuencias milimétricas
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the new results of a study about the general Kovalev’s coherence principle are presented. As we will show here, despite Kovalev presents the coherence principle as general, only the fundamental case can be ... -
On the determination of the phase center of gaussian horn antennas
Río Bocio, Carlos del ; Teniente Vallinas, Jorge ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1998)
Contribución a congreso / Biltzarrerako ekarpena
Gaussian horn antenna designs have experimentally demonstrated excellent performance to produce a very pure Gaussian beam mode with extremely low sidelobes and crosspolarization levels. These results make very attractive ... -
Optimal horn antenna design to excite high purity gaussian beam using overmoded waveguides
Gonzalo García, Ramón ; Río Bocio, Carlos del ; Teniente Vallinas, Jorge ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we present an original and optimal multimode horn antenna design to excite the fundamental Gaussian beam from an overmoded waveguide. In particular, we focus the study in overmoded circular corrugated ... -
Optimized antenna system for low power testing of the quasioptical transmission line at TJ-II experiment
Sorolla Ayza, Mario; Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sánchez Corpas, Alberto ; Martín, Romualdo; Fernández, Ángela; Cepero, José R.; Likin, Konstantin M.; Sarksyan, Karen (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this paper we present a high performance antenna system to carry out low power testing of the main parameters of the quasioptical transmission line system for Electron Cyclotron Resonance Heating (ECRH) at TJ-II ... -
Optimum horn antennas for high order mode beam waveguides
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario ; Thumm, Manfred (1995)
Contribución a congreso / Biltzarrerako ekarpena
Higher order free space modes can be considered as serious candidates for power millimeter wave transmission in advanced material processing by using medium power CW gyrotrons. These modes can be propagated in a beam ... -
Paraxiality considerations of higher order gaussian modes
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
Frequently, gaussian modes are used as free space wave equation solutions. This is not true since they are obtained assuming certain paraxial character in them. In this paper, we present an original study of the condition ... -
Planoconcave lens by negative refraction of stacked subwavelength hole arrays
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2008)
Artículo / Artikulua
This work presents the design of a planoconcave parabolic negative index metamaterial lens operating at millimeter wavelengths fabricated by using stacked subwavelength hole arrays. A staircase approximation to the ideal ... -
Polarization selection with stacked hole array metamaterial
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (AIP Publishing, 2008)
Artículo / Artikulua
Polarization rotation or selection appears in materials with optical activity, or those with Faraday effect, or in liquid crystals. In this letter we present a structure, with an analogous response, using stacked ... -
Polarization-tunable negative or positive refraction in self-complementariness-based extraordinary transmission prism
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Falcone Lanas, Francisco Javier ; Sorolla Ayza, Mario (EMW Publishing, 2010)
Artículo / Artikulua
Here we report a prism made of stacked quasi-selfcomplementary extraordinary transmission surfaces which allows simultaneously left- and right-handed propagation within the V-band for vertical and horizontal polarizations, ... -
Polarized left-handed extraordinary optical transmission of subterahertz waves
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2007)
Artículo / Artikulua
In this paper we design and measure a metamaterial polarizing device working in the sub-terahertz range. The polarizer is based on a modified version of our previous miniaturized Stacked Hole Array (SHA) structure, an ... -
Polypropylene-substrate-based SRR- and CSRR-metasurfaces for submillimeter waves
Aznabet, Mariem; Navarro Cía, Miguel ; Kuznetsov, Sergei A.; Gelfand, A. V.; Fedorinina, N. I.; Goncharov, Yu. G.; Beruete Díaz, Miguel ; El Mrabet, O.; Sorolla Ayza, Mario (Optical Society of America, 2008)
Artículo / Artikulua
In this paper it is presented the fabrication of low loss millimeter wave metamaterials based on patterning on polypropylene substrates by conventional contact photolitography. We study numerically and experimentally ... -
Regular and anomalous extraordinary optical transmission at the THz-gap
Kuznetsov, Sergei A.; Navarro Cía, Miguel ; Kubarev, V. V.; Gelfand, A. V.; Beruete Díaz, Miguel ; Campillo, Igor; Sorolla Ayza, Mario (Optical Society of America, 2009)
Artículo / Artikulua
In this paper Anomalous Extraordinary Transmission (ET) is reported for s-polarization of low loss doubly periodic subwavelength hole arrays patterned on polypropylene (PP) substrates by conventional contact photolithography ... -
SCATTMAT: a mode matching and generalized scattering matrix code for personal computers in a windows environment
Liberal, Antonio; Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1997)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a computer aided design tool is presented to simulate symmetrical radially deformed circular waveguide microwave components. This tool works with the well-known “Mode Matching and Scattering Matrix” ... -
SCATTMAT: herramienta C.A.D. para el análisis de componentes en guía de onda circular con variaciones simétricas del radio
Liberal, Antonio; Lahera, Miguel; Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, a C.A.D. tool to simulate simmetrical radial deformation microwave devices, using the modal analysis and scattering matrix techniques is presented. The code has been developed in C++ language, working with ... -
A slow light fishnet-like absorber in the millimeter-wave range
Navarro Cía, Miguel ; Torres Landívar, Víctor ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (EMW Publishing, 2011)
Artículo / Artikulua
A novel route to achieve a narrowband free-space electromagnetic absorber in any range of the spectrum based on stacked subwavelength hole arrays is proposed. The absorption is obtained by means of a slow light mode inside ... -
Split ring resonator-based left-handed coplanar waveguide
Martín, F.; Bonache, J.; Falcone Lanas, Francisco Javier ; Sorolla Ayza, Mario ; Marqués, R. (AIP Publishing, 2003)
Artículo / Artikulua
In this letter, a planar left-handed propagating medium consisting of a coplanar waveguide (CPW) inductively coupled to split ring resonators (SRR) and periodically loaded with narrow metallic wires is proposed. The wires ... -
Strong lateral displacement in polarization anisotropic extraordinary transmission metamaterial
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario (IOP Publishing Ltd, 2010)
Artículo / Artikulua
In this paper, a deep numerical as well as experimental study of the anisotropy response of extraordinary transmission metamaterials constructed by stacking subwavelength hole arrays is presented. Two-dimensional (2D) ... -
Study of photonic crystal structures and their applications in the field of antennas
Gonzalo García, Ramón (2000)
Tesis doctoral / Doktoretza tesia
El propósito principal perseguido en esta tesis ha sido el diseño de estructuras “Photonic Crystal” y sus aplicaciones como substratos para antenas. Estos “Photonic Crystal” se definen como estructuras periódicas en una, ... -
Synthesis and design of novel metamaterial radiation structures
Ortiz Pérez de Eulate, Noelia (2017)
Tesis doctoral / Doktoretza tesia
The present thesis deals with the design and practical implementation of novel netamaterial planar antenna structures based on Complementary Split Ring Resonator (CSRR) particles. As CSRR particles display a very attractive ...
