Listar por autor UPNA "Beruete Díaz, Miguel"
Mostrando ítems 21-40 de 131
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Compact pillbox reflector based on geodesic lens
Pérez Quintana, Dayan; Chen, Q.; Beruete Díaz, Miguel
; Quevedo-Teruel, O. (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena 
We propose a pillbox antenna in combination with a geodesic lens at 60 GHz. The antenna is implemented in a dual-layer parallel plate waveguide. The waves from a geodesic lens in a first layer, after being reflected by a ... -
Comportamiento de propagacion electromagnetica en el apilamiento de agujeros sublambda y agujeros propagantes
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Falcone Lanas, Francisco Javier ; Campillo, Igor; Sorolla Ayza, Mario (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we provide more insight on the physics underlying the transmission through subwavelength hole arrays metaprism by comparing it with propagating hole arrays prism. We show the critical role that the size ... -
Comprehensive analysis of photonic nanojets in 3D dielectric cuboids excited by surface plasmons
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (Wiley, 2016)
Artículo / Artikulua
In this paper we study the excitation of photonic nanojets (PNJ) in 3D dielectric cuboids by surface plasmons at telecommunication wavelengths. The analysis is done using the effective refractive index approach. It is shown ... -
Controlling the direction of propagation of surface plasmons via graded index effective dielectric media
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we propose a mechanism to steer and tailor surface plasmon propagation by using graded index concepts. In this approach, a block of dielectric with fixed thickness is placed on top of a semi-infinite metal. ... -
Converging biconcave metallic lens by double-negative extraordinary transmission metamaterial
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (AIP Publishing, 2009)
Artículo / Artikulua
In this letter we present simulation and experimental results of a left-handed converging biconcave metallic lens made of stacked subwavelength hole arrays SSHAs working in the millimeter wave range with additional ... -
Description of bow-tie nanoantennas excited by localized emitters using conformal transformation
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel ; Fernández Domínguez, Antonio I.; Luo, Yu; Navarro Cía, Miguel (American Chemical Society, 2016)
Artículo / Artikulua
The unprecedented advance experienced by nano- fabrication techniques and plasmonics research over the past few years has made possible the realization of nanophotonic systems entering into the so-called strong coupling ... -
Design of multi-layered radiative cooling structures using evolutionary algorithms
Lezaun Capdevila, Carlos; Jorajuría, Tania; Torres García, Alicia E. ; Herrera, Pilar; Beruete Díaz, Miguel (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
In this work we present a novel way to design thinfilm radiative cooling metamaterials based on genetic algorithms. Three simulations with different design constraints have been done, resulting in three structures that ... -
Diffusive-light invisibility cloak for transient illumination
Orazbayev, Bakhtiyar ; Beruete Díaz, Miguel ; Martínez, Alejandro; García Meca, Carlos (American Physical Society, 2016)
Artículo / Artikulua
Invisibility in a diffusive-light-scattering medium has been recently demonstrated by employing a scattering-cancellation core-shell cloak. Unlike nondiffusive cloaks, such a device can be simultaneously macroscopic, ... -
Doubling the propagation distance of surface plasmon polaritons
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (SPIE, 2016)
Artículo / Artikulua
A novel passive repeater, based on a chain of 3D dielectric particles, has been proposed and numerically simulated. -
Electroinductive waves in chain of complementary metamaterial elements
Beruete Díaz, Miguel ; Falcone Lanas, Francisco Javier ; Freire, M. J.; Marqués, R.; Baena, J.D. (AIP Publishing, 2006)
Artículo / Artikulua
Electronductive waves supported by chains of resonators drilled on a metallic plate are presented. Propagation of energy comes as a consequence of the electric coupling between these resonators. Therefore, these waves ... -
Electroinductive waves role in left-handed stacked complementary split rings resonators
Beruete Díaz, Miguel ; Aznabet, Mariem; Navarro Cía, Miguel ; El Mrabet, O.; Falcone Lanas, Francisco Javier ; Aknin, N.; Essaaidi, M.; Sorolla Ayza, Mario (Optical Society of America, 2009)
Artículo / Artikulua
In this letter it is presented a Left-Handed Metamaterial design route based upon stacked arrays of screens made of complementary split rings resonators under normal incidence in the microwave regime. Computation of ... -
Electromagnetic response of extraordinary transmission plates inspired on Babinet’s principle
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (InTech, 2011)
Capítulo de libro / Liburuen kapitulua
This chapter is devoted to polarization effects arisen from perforated metallic plates exhibiting extraordinary transmission (ET). Setting aside the state-of-the-art of perforated metallic plates, we show that by applying ... -
Enhancing the infrared and visible emission properties of calcium silicate hydrate for radiative cooling using metamaterials
Lezaun Capdevila, Carlos; Dolado, J. S.; Torres García, Alicia E. ; Pérez Escudero, José Manuel ; Liberal Olleta, Íñigo ; Beruete Díaz, Miguel (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
Two periodic structures composed of metal cylinders with different orientations are used to improve the solar reflection of calcium silicate hydrate (CSH) while maintaining its atmospheric emission. Interesting effects ... -
Epsilon-near-zero metalenses operating in the visible
Pacheco-Peña, Víctor ; Navarro Cía, Miguel ; Beruete Díaz, Miguel (Elsevier, 2016)
Artículo / Artikulua
Several converging lenses working in the permittivity near to zero (ENZ) regime at optical frequencies are designed using an array of metal-dielectric-metal plasmonic waveguides. These plasmonic waveguides show a dispersive ... -
Evolutionary algorithms applied to multi-layered radiative cooling metamaterials
Lezaun Capdevila, Carlos; Jorajuría, Tania ; Torres García, Alicia E. ; Herrera, Pilar; Beruete Díaz, Miguel (IEEE, 2022)
Contribución a congreso / Biltzarrerako ekarpena
A newly design method for designing multi-layered radiative cooling metamaterials based on genetic algorithms (GAs) is exposed. The developed GA has been tested in three cases, resulting in three different structures that ... -
Experimental demonstration of a millimeter-wave metallic ENZ lens based on the energy squeezing principle
Torres Landívar, Víctor; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario (IEEE, 2015)
Artículo / Artikulua
The performance of an epsilon-near zero (ENZ) plano-concave lens is experimentally demonstrated and verified at the D-band of the millimeter-waves. The lens is comprised of an array of narrow metallic waveguides near cut-off ... -
Experimental demonstration of deeply subwavelength dielectric sensing with epsilon-near-zero (ENZ) waveguides
Beruete Díaz, Miguel ; Engheta, Nader; Pacheco-Peña, Víctor (American Institute of Physics, 2022)
Artículo / Artikulua
In this Letter, an all metallic sensor based on ε-near-zero (ENZ) metamaterials is studied both numerically and experimentally when working at microwave frequencies. To emulate an ENZ medium, a sensor is made by using a ... -
Experimental demonstration of lossy mode and surface plasmon resonance generation with Kretschmann configuration
Del Villar, Ignacio ; Torres Landívar, Víctor ; Beruete Díaz, Miguel (Optical Society of America, 2015)
Artículo / Artikulua
Lossy mode resonances (LMRs) and surface plasmon resonaces (SPRs) are obtained experimentally with a Kretschmann configuration using a BK7 glass prism with all sides polished and coated with indium tin oxide (ITO). The ... -
Experimental demonstration of metamaterials application for mitigating scan blindness in phased array antennas
Rodríguez Ulibarri, Pablo ; Crépin, Thomas; Martel, Cédric; Boust, Fabrice; Falcone Lanas, Francisco Javier ; Loecker, Claudius; Herbertz, Kai; Bertuch, Thomas; Dousset, Thierry; Martinaud, Jean-Paul; Maci, Stefano; Marcotegui, José Antonio ; Beruete Díaz, Miguel (EDP Sciences, 2016)
Artículo / Artikulua
This paper presents two metamaterial-inspired solutions to mitigate the scan blindness effects in a phased array antenna. In the first solution, portions of a bed of nails are introduced in the radome to prevent the excitation ... -
Experimental demonstration of metasurface-based ultrathin carpet cloaks for millimetre waves
Orazbayev, Bakhtiyar ; Mohammadi Estakhri, Nasim; Alù, Andrea; Beruete Díaz, Miguel (Wiley, 2016)
Artículo / Artikulua
A metasurface carpet cloak for millimeter-wave range with polarization-independent performance is experimentally demonstrated. It is shown that the cloak is able to mimic the ground plane by fully restoring the amplitude ...
