Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por autor UPNA "Navarro Cía, Miguel"
Mostrando ítems 1-20 de 44
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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 ... -
77-GHz high-gain bull’s-eye antenna with sinusoidal profile
Beaskoetxea Gartzia, Unai ; Pacheco-Peña, Víctor ; Orazbayev, Bakhtiyar ; Akalin, Tahsin; Maci, Stefano; Navarro Cía, Miguel (IEEE, 2015)
Artículo / Artikulua
A high-gain Bull’s-Eye leaky-wave horn antenna working at 77 GHz with sinusoidal profile has been designed, fabricated, and experimentally measured. The influence of the number of periods on the gain and beamwidth is ... -
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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
Dipolar resonances in conductive carbon micro-fibers probed by near-field terahertz spectroscopy
Khromova, Irina ; Navarro Cía, Miguel ; Brener, I.; Reno, J. L.; Ponomarev, A.; Mitrofanov, Oleg (AIP Publishing, 2015)
Artículo / Artikulua
We observe dipole resonances in thin conductive carbon micro-fibers by detecting an enhanced electric field in the near-field of a single fiber at terahertz (THz) frequencies. Time-domain analysis of the electric field ... -
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 ... -
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 ... -
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 phase resonances in metallic compound gratings with subwavelength slits in the millimeter wave regime
Navarro Cía, Miguel ; Skigin, Diana C.; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (AIP Publishing, 2009)
Artículo / Artikulua
We provide experimental evidence of phase resonances in metallic periodic structures in which each period comprises several subwavelength slits of the same width. We have analyzed and measured the response of these ... -
Exploiting the dispersion of the double-negative-index fishnet metamaterial to create a broadband low-profile metallic lens
Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel ; Navarro Cía, Miguel (Optical Society of America, 2015)
Artículo / Artikulua
Metamaterial lenses with close values of permittivity and permeability usually display low reflection losses at the expense of narrow single frequency operation. Here, a broadband low-profile lens is designed by exploiting ... -
Extraordinary transmission and left-handed propagation in miniaturized stacks of doubly periodic subwavelength hole arrays
Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Navarro Cía, Miguel ; Falcone Lanas, Francisco Javier ; Campillo, Igor; Lomakin, Vitaliy (Optical Society of America, 2007)
Artículo / Artikulua
Metallic plates embedded between dielectric slabs and perforated by rectangular arrays of subwavelength holes with a dense periodicity in one of the directions support extraordinary transmission (ET) phenomena, viz. strong ... -
Frozen mode from hybridized extraordinary transmission and Fabry-Perot resonances
Beruete Díaz, Miguel ; Rodríguez Ulibarri, Pablo ; Pacheco-Peña, Víctor ; Navarro Cía, Miguel ; Serebryannikov, Andriy E. (American Physical Society, 2013)
Artículo / Artikulua
Frozen modes arising in stacked subwavelength hole arrays are studied in detail. Their origin is proved to be connected with the interaction between the extraordinary transmission resonance and the Fabry–Perot cavity mode. ... -
Hedgehog subwavelength hole arrays: control over the THz enhanced transmission
Navarro Cía, Miguel ; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel (Institute of Physics Publishing, 2013)
Artículo / Artikulua
By backing or sandwiching a holey metal layer with or between isotropic dielectric slabs, additional peaks of transmission within the long-wavelength regime arise as a result of the induced transverse magnetic (TM) or ... -
Lensing system and Fourier transformation using epsilon-near-zero metamaterials
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Engheta, Nader (American Physical Society, 2012)
Artículo / Artikulua
Metamaterials and metastructures with effective relative permittivity near zero exhibit unusual wave properties such as uniform phase distributions across such domains. Here we discuss the possibility of using ε-near-zero ...
