Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por autor "484"
Mostrando ítems 1-20 de 27
-
Arrangements of via-holes in microstrip lines as metallodielectric periodic structures
Gómez Laso, Miguel Ángel ; Lopetegui Beregaña, José María; Bacaicoa, Miguel; Hernández, Jorge; Gonzalo García, Ramón ; Sorolla Ayza, Mario (Wiley, 2000) Artículo / ArtikuluaIn this paper, the use of via holes in microstrip lines to design periodic structures that can be regarded as metallodielectric electromagnetic crystals is analyzed. The proposed novel periodic structures achieve a notably ... -
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 / ArtikuluaA 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 / ArtikuluaIn 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 ... -
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 / ArtikuluaIn 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 ... -
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 / ArtikuluaIn 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 ... -
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 / ArtikuluaThe 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 / ArtikuluaWe 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 ... -
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 / ArtikuluaMetallic 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 ... -
Focus on terahertz plasmonics
Rahm, Marco; Nahata, Ajay; Akalin, Tahsin; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (IOP Publishing, 2015) Artículo / ArtikuluaPlasmonics is one of the growing fields in modern photonics that has garnered increasing interest over the last few years. In this focus issue, the specific challenges concerning terahertz plasmonics have been addressed ... -
Gain improvement of dual band antenna based on complementary rectangular split-ring resonator
Ortiz Pérez de Eulate, Noelia ; Falcone Lanas, Francisco Javier ; Sorolla Ayza, Mario (Hindawi / Wiley, 2012) Artículo / ArtikuluaA simple and successful dual band patch linear polarized rectangular antenna design is presented. The dual band antenna is designed etching a complementary rectangular split-ring resonator in the patch of a conventional ... -
Left-handed extraordinary optical transmission through a photonic crystal of subwavelength hole arrays
Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2006) Artículo / ArtikuluaMetamaterial structures are artificial materials that show unconventional electromagnetic properties such as photonic band-gap, extraordinary optical transmission and left-handed propagation. Up to now, relations of photonic ... -
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 / ArtikuluaMetamaterials 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 ... -
Mechanical 144GHz beam steering with all-metallic epsilon-near-zero lens antenna
Pacheco-Peña, Víctor ; Torres Landívar, Víctor ; Orazbayev, Bakhtiyar ; Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Engheta, Nader (AIP Publishing, 2014) Artículo / ArtikuluaAn all-metallic steerable beam antenna composed of an ε-near-zero (ENZ) metamaterial lens is experimentally demonstrated at 144 GHz (λ0 = 2.083 mm). The ENZ lens is realized by an array of narrow hollow rectangular waveguides ... -
Mid-infrared plasmonic inductors: enhancing inductance with meandering lines
Torres Landívar, Víctor ; Ortuño Molinero, Rubén ; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Griol, Amadeu; Martínez, Alejandro; Navarro Cía, Miguel (Nature Publishing Group, 2014) Artículo / ArtikuluaWe present a mid-infrared inductor that when applied to an extraordinary transmission hole array produces a strong redshift of the resonant peak accompanied by an unprecedented enlargement of the operation bandwidth. The ... -
Millimeter-wave phase resonances in compound reflection gratings with subwavelength grooves
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Skigin, Diana C.; Sorolla Ayza, Mario (Optical Society of America, 2010) Artículo / ArtikuluaExperimental evidence of phase resonances in a dual-period reflection structure comprising three subwavelength grooves in each period is provided in the millimeter-wave regime. We have analyzed and measured the response ... -
Negative refraction in a prism made of stacked subwavelength hole arrays
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (Optical Society of America, 2008) Artículo / ArtikuluaMetamaterial structures are artificial materials that show unconventional electromagnetic properties such as negative refraction index, perfect lenses, and invisibility. However, losses are one of the big challenges to be ... -
Negative refraction through an extraordinary transmission left-handed metamaterial slab
Beruete Díaz, Miguel ; Navarro Cía, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (American Physical Society, 2009) Artículo / ArtikuluaIn this work we present numerical and experimental results of negative refraction through a negative index metamaterial based on miniaturized extraordinary transmission stacked subwavelength hole arrays, also known as ... -
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 / ArtikuluaThis 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 / ArtikuluaPolarization 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 / ArtikuluaHere 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, ...