Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por autor UPNA "Beruete Díaz, Miguel"
Mostrando ítems 21-40 de 70
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Experimental realization of an epsilon-near-zero graded-index metalens at terahertz frequencies
Pacheco-Peña, Víctor
; Engheta, Nader; Kuznetsov, Sergei A.; Gentselev, Alexandr; Beruete Díaz, Miguel (American Physical Society, 2017)
Artículo / Artikulua 
The terahertz band has been historically hindered by the lack of efficient generators and detectors, but a series of recent breakthroughs have helped to effectively close the “terahertz gap.” A rapid development of terahertz ... -
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 ... -
Focus on terahertz plasmonics
Rahm, Marco; Nahata, Ajay; Akalin, Tahsin; Beruete Díaz, Miguel ; Sorolla Ayza, Mario (IOP Publishing, 2015)
Artículo / Artikulua
Plasmonics 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 ... -
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 ... -
High aperture efficiency wide corrugations bull’s-eye antenna working at 60 GHz
Beaskoetxea Gartzia, Unai ; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua
A full metallic Bull’s-Eye (BE) antenna operating at 60 GHz is numerically and experimentally analyzed. The antenna presents wide grooves, rather than narrow ones, which support higher order resonances that lead to a large ... -
Impact of high power interference sources in planning and deployment of wireless sensor networks and devices in the 2.4 GHz frequency band in heterogeneous environments
López Iturri, Peio ; Nazábal Urriza, Juan Antonio ; Azpilicueta Fernández de las Heras, Leyre ; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel ; Fernández Valdivielso, Carlos ; Falcone Lanas, Francisco Javier (MDPI, 2012)
Artículo / Artikulua
In this work, the impact of radiofrequency radiation leakage from microwave ovens and its effect on 802.15.4 ZigBee-compliant wireless sensor networks operating in the 2.4 GHz Industrial Scientific Medical (ISM) band is ... -
Increasing surface plasmons propagation via photonic nanojets with periodically spaced 3D dielectric cuboids
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (MDPI, 2016)
Artículo / Artikulua
A structure based on periodically arranged 3D dielectric cuboids connected by photonic nanojets (PNJs) is proposed with the aim of increasing the propagation distance of surface plasmon polaritons (SPPs) at the telecom ... -
Indium tin oxide refractometer in the visible and near infrared via lossy mode and surface plasmon resonances with Kretschmann configuration
Torres Landívar, Víctor; Beruete Díaz, Miguel ; Sánchez Zábal, Pedro ; Del Villar, Ignacio (AIP Publishing, 2016)
Artículo / Artikulua
An indium tin oxide (ITO) refractometer based on the generation of lossy mode resonances (LMRs) and surface plasmon resonances (SPRs) is presented. Both LMRs and SPRs are excited, in a single setup, under grazing angle ... -
Ku band low profile asymmetric Bull’s-Eye antenna with reduced side lobes and monopole feeding
Beaskoetxea Gartzia, Unai ; Torres García, Alicia E. ; Beruete Díaz, Miguel (IEEE, 2018)
Artículo / Artikulua
In this paper, a linearly polarized low profile and asymmetric Bull’s-Eye leaky wave antenna fed by a monopole operating at 13 GHz is presented. Broadside radiation from the monopole is achieved by surrounding it with an ... -
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 / Artikulua
Metamaterial 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 / 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 ... -
Localized photonic jets from flat, three-dimensional dielectric cuboids in reflection mode
Minin, Igor V.; Minin, Oleg V.; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (Optical Society of America, 2015)
Artículo / Artikulua
A photonic jet (a terajet at terahertz frequencies) commonly denotes a specific, spatially localized region in the near field on the front side of a dielectric particle with a diameter comparable with the wavelength ... -
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 / Artikulua
An 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 ... -
Metasurface-based ultrathin carpet cloaks for millimeter waves
Orazbayev, Bakhtiyar ; Mohammadi Estakhri, Nasim; Alù, Andrea; Beruete Díaz, Miguel (2017)
Artículo / Artikulua
A metasurface carpet cloak for millimetre-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 ... -
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 / Artikulua
We 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 / Artikulua
Experimental 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 ... -
Multiband one-way polarization conversion in complementary split-ring resonator based structures by combining chirality and tunneling
Serebryannikov, Andriy E.; Beruete Díaz, Miguel ; Mutlu, Mehmet; Ozbay, Ekmel (Optical Society of America, 2015)
Artículo / Artikulua
Multiband one-way polarization conversion and strong asymmetry in transmission inspired by it are demonstrated in ultrathin sandwiched structures that comprise two twisted aperture-type arrays of complementary split-ring ... -
Multifrequency focusing and wide angular scanning of terajets
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel ; Minin, Igor V.; Minin, Oleg V. (Optical Society of America, 2015)
Artículo / Artikulua
In the past, it has been demonstrated that it is possible to produce terajets with high resolution at its focus using 3D dielectric cuboids under plane-wave illumination. Here, a systematic study of the harmonic and angular ...
