Listar Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak por autor UPNA "Beruete Díaz, Miguel"
Mostrando ítems 1-10 de 10
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All-metallic ε-near-zero (ENZ) lens based on ultra-narrow hollow rectangular waveguides: experimental results
Orazbayev, Bakhtiyar
; Torres Landívar, Víctor ; Pacheco-Peña, Víctor ; Falcone Lanas, Francisco Javier ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Navarro Cía, Miguel ; Engheta, Nader (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena 
Here we perform numerical and experimental investigation of plano-concave all-metallic ε-near-zero (ENZ) lens with operational frequency f = 144 GHz. The ENZ lens is achieved by stacking an array of narrow hollow rectangular ... -
Analysis of surface-plasmon-like modes under an engineering perspective
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (2011)
Contribución a congreso / Biltzarrerako ekarpena
In this communication we show how one can exploit equivalent circuits to analyze surface-plasmon-like modes (slit and hole arrays, Sievenpiper mushrooms and coaxial hole arrays) and to propose new designs with outstanding ... -
The beauty of anisotropy in extraordinary transmission fishnet metamaterials
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (2011)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we explore both numerically and experimentally, the possibility to obtain positive and negative refraction regimes that depend on the wave polarization, exploiting the strong anisotropy of extraordinary ... -
Blind spot mitigation in phased array antenna using metamaterials
Crépin, Thomas; Martel, Cédric; Gabard, Benjamin; Boust, Fabrice; Martinaud, Jean-Paul; Dousset, Thierry; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel ; Loecker, Claudius; Bertuch, Thomas; Marcotegui, José Antonio ; Maci, Stefano (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a metaradome based on a fakir’s bed of nails is designed and tested in order to suppress the blind directions of a 100-element antenna array. The antenna is a microstrip array designed to operate in X-band. ... -
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 ... -
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 ... -
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 ... -
Lentes metálicas basadas en el fenómeno de transmisión extraordinaria para conseguir índices de refracción negativos
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this communication we report plano-concave and bi-concave metamaterial lenses based on the close stack of subwavelegnth hole arrays. Contrary to what is expected from cut-off holes, an engineered array of holes ... -
Low profile THz periodic leaky-wave antenna
Beaskoetxea Gartzia, Unai ; Beruete Díaz, Miguel ; Rodríguez Ulibarri, Pablo ; Etayo Salinas, David ; Sorolla Ayza, Mario ; Navarro Cía, Miguel ; Zehar, Mokhtar; Blary, Karine; Chahadih, Abdallah; Han, Xiang-Lei; Akalin, Tahsin (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a 0.566THz flat leaky-wave antenna, consisting of a central λ0/2 slot surrounded by straight parallel wedge corrugations, is numerically and experimentally analyzed. Simulations show a moderately high gain ... -
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 ...
