Browsing by UPNA Author "Beruete Díaz, Miguel"
Now showing items 1-20 of 130
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3D-printed 96 GHz bull’s-eye antenna with off-axis beaming
Beaskoetxea Gartzia, Unai
; Maci, Stefano; Navarro Cía, Miguel ; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua 
Reducing the profile, footprint and weight of antennas embarked on aircrafts, drones or satellites has been a long pursued objective. Here we tackle this issue by developing a millimeter-wave 96 GHz elliptical Bull’s-Eye ... -
Accurate circuit modeling of fishnet structures for negative-index-medium applications
Torres Landívar, Víctor; Mesa, Francisco; Navarro Cía, Miguel ; Rodríguez Berral, Raúl; Beruete Díaz, Miguel ; Medina, Francisco (IEEE, 2016)
Artículo / Artikulua
Metallic plates with a two-dimensional (2D) periodic distribution of sub-wavelength apertures are known to exhibit extraordinary transmission of electromagnetic waves. Stacking two or more of such plates gives place to the ... -
Advanced metamaterials for high resolution focusing and invisibility cloaks
Orazbayev, Bakhtiyar (2016)
Tesis doctoral / Doktoretza tesia
Los metamateriales, descendientes de los dieléctricos artificiales, tienen parámetros electromagnéticos inusuales y proporcionan más posibilidades que los dieléctricos naturales para el control de la propagación de la luz. ... -
All-dielectric periodic terajet waveguide using an array of coupled cuboids
Minin, Igor V.; Minin, Oleg V.; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (AIP Publishing, 2015)
Artículo / Artikulua
In this paper, the recently proposed technique to produce photonic jets (terajets at terahertz (THz) frequencies) using 3D dielectric cuboids is applied in the design of a mesoscale cuboid-chain wave- guide. The chains are ... -
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 ... -
Angle-susceptible sensing metasurface in terahertz regime
Nikolaev, Nazar A.; Kuznetsov, Sergei A.; Beruete Díaz, Miguel (EDP Sciences, 2018)
Contribución a congreso / Biltzarrerako ekarpena
Nowadays thin-film coatings and structures are widely used in advanced industrial and scientific ap-plications that makes the tasks of thin-film sensing highly demanded in practice. Last decade, stimulated by progress in ... -
Annular apertures in metallic screens as extraordinary transmission and frequency selective surface structures
Rodríguez Ulibarri, Pablo ; Navarro Cía, Miguel ; Rodríguez Berral, Raúl; Mesa, Francisco; Medina, Francisco; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua
A 2-D periodic array of annular apertures (or ring slots) is studied using an accurate circuit model. The model accounts for distributed and dynamic effects associated with the excitation of high-order modes operating above ... -
Application of MIR spectroscopy to the evaluation of chemical composition and quality parameters of foal meat: a preliminary study
Ruiz Darbonnens, Marta; Beriain Apesteguía, María José ; Beruete Díaz, Miguel ; Insausti Barrenetxea, Kizkitza ; Lorenzo, J. M.; Sarriés Martínez, María Victoria (MDPI, 2020)
Artículo / Artikulua
The aim of this work was to study the potential of mid-infrared spectroscopy to evaluate the chemical composition and quality parameters of foal meat according to differences based on slaughter ages and finishing diets. ... -
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. ... -
Broadband frequency and angular response of a sinusoidal bull’s eye antenna
Beaskoetxea Gartzia, Unai ; Navarro Cía, Miguel ; Beruete Díaz, Miguel (IOP Publishing, 2016)
Artículo / Artikulua
A thorough experimental study of the frequency and beaming angle response of a metallic leaky-wave bull’s eye antenna working at 77 GHz with a sinusoidally corrugated profile is presented. The beam scanning property of ... -
Broadband spoof plasmons and subwavelength electromagnetic energy confinement on ultrathin metafilms
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Agrafiotis, Spyros; Falcone Lanas, Francisco Javier ; Sorolla Ayza, Mario ; Maier, Stefan A. (Optical Society of America, 2009)
Artículo / Artikulua
A complementary split ring resonator (CSRR)-based metallic layer is proposed as a route to mimic surface plasmon polaritons. A numerical analysis of the textured surface is carried out and compared to previous prominent ... -
Bull’s-eye antenna with circular polarization at millimeter waves based on ridge gap waveguide technology
Pérez Quintana, Dayan ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2021)
Artículo / Artikulua
In this communication, a Bull’s-Eye (BE) antenna with circular polarization (CP) based on ridge gap waveguide (RGW) technology is numerically and experimentally demonstrated. The structure is excited from the bottom with ... -
Circuit approach to the minimal configuration of terahertz anomalous extraordinary transmission
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Kuznetsov, Sergei A.; Sorolla Ayza, Mario (American Institute of Physics, 2011)
Artículo / Artikulua
In this letter we present an in-depth circuit analysis of anomalous extraordinary transmission ET through subwavelength slit and hole arrrays loaded by a dielectric slab. We show the key role played by the thickness of the ... -
Comment on “A waveguide slit array antenna fabricated with subwavelength periodic grooves Appl. Phys. Lett. 91, 143512 (2007)”
Beruete Díaz, Miguel ; Falcone Lanas, Francisco Javier ; Sorolla Ayza, Mario ; Campillo, Igor; Dolado, J. S.; Rodríguez Seco, J. E.; Perea, E. (AIP Publishing, 2008)
Otros / Bestelakoak
We firmly think that it is proven that most of the ideas, results, and discussions presented in C. Huang, C. L. Du, and X. G. Luo, Appl. Phys. Lett. 91, 143512, 2007 were already present in our previous paper (M. Beruete, ... -
Compact antennas in ridge gap waveguide with circular polarization
Pérez Quintana, Dayan ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, two compact antennas in Ridge Gap Waveguide (RGW) technology, working at 60 GHz, with a high-purity circular polarization (CP) within a broad bandwidth are manufactured and measured. The antennas are fed ... -
Compact bull's-eye antenna in ridge gap waveguide with circular polarization at 60 GHz
Pérez Quintana, Dayan ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a Bull's-Eye (BE) antenna with circular polarization (CP) based on ridge gap waveguide (RGW) technology, working in the millimeter-wave band (60 GHz) is numerically and experimentally demonstrated. The structure ... -
Compact dual-band terahertz quarter-wave plate metasurface
Torres Landívar, Víctor; Etayo Salinas, David ; Ortuño Molinero, Rubén ; Navarro Cía, Miguel ; Beruete Díaz, Miguel (IEEE, 2014)
Artículo / Artikulua
A dual-band quarter-wave plate based on a modified extraordinary transmission hole array is numerically analyzed and experimentally demonstrated at terahertz frequencies. To control independently orthogonal polarizations, ... -
Compact groove diamond antenna in gap waveguide technology with broadband circular polarization at millimeter waves
Pérez Quintana, Dayan ; Torres García, Alicia E. ; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel (IEEE, 2020)
Artículo / Artikulua
In this paper, three compact antennas using the Ridge Gap Waveguide (RGW) technology working in the millimeter-wave band (60 GHz), with a high-purity and broadband circular polarization (CP) are numerically and experimentally ...
