Listar Artículos de revista ISC - ISC aldizkari artikuluak por autor UPNA "Beruete Díaz, Miguel"

Mostrando ítems 1-20 de 39

    • Bull’s-eye antenna with circular polarization at millimeter waves based on ridge gap waveguide technology 

      Pérez Quintana, Dayan Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      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 ...

    • Compact groove diamond antenna in gap waveguide technology with broadband circular polarization at millimeter waves 

      Pérez Quintana, Dayan Upna Orcid; Torres García, Alicia E. Upna Orcid; Ederra Urzainqui, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      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 ...

    • Comprehensive analysis of photonic nanojets in 3D dielectric cuboids excited by surface plasmons 

      Pacheco-Peña, Víctor Upna Orcid; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel Upna Orcid (Wiley, 2016)   Artículo / Artikulua  OpenAccess
      In this paper we study the excitation of photonic nanojets (PNJ) in 3D dielectric cuboids by surface plasmons at telecommunication wavelengths. The analysis is done using the effective refractive index approach. It is shown ...

    • Controlling the direction of propagation of surface plasmons via graded index effective dielectric media 

      Pacheco-Peña, Víctor Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, we propose a mechanism to steer and tailor surface plasmon propagation by using graded index concepts. In this approach, a block of dielectric with fixed thickness is placed on top of a semi-infinite metal. ...

    • Description of bow-tie nanoantennas excited by localized emitters using conformal transformation 

      Pacheco-Peña, Víctor Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Fernández Domínguez, Antonio I.; Luo, Yu; Navarro Cía, Miguel Upna Orcid (American Chemical Society, 2016)   Artículo / Artikulua  OpenAccess
      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 ...

    • Experimental demonstration of deeply subwavelength dielectric sensing with epsilon-near-zero (ENZ) waveguides 

      Beruete Díaz, Miguel Upna Orcid; Engheta, Nader; Pacheco-Peña, Víctor Upna Orcid (American Institute of Physics, 2022)   Artículo / Artikulua  OpenAccess
      In this Letter, an all metallic sensor based on ε-near-zero (ENZ) metamaterials is studied both numerically and experimentally when working at microwave frequencies. To emulate an ENZ medium, a sensor is made by using a ...

    • Experimental realization of an epsilon-near-zero graded-index metalens at terahertz frequencies 

      Pacheco-Peña, Víctor Upna Orcid; Engheta, Nader; Kuznetsov, Sergei A.; Gentselev, Alexandr; Beruete Díaz, Miguel Upna Orcid (American Physical Society, 2017)   Artículo / Artikulua  OpenAccess
      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 ...

    • Extraordinary THz transmission with a small beam spot: the leaky wave mechanism 

      Navarro Cía, Miguel Upna Orcid; Pacheco-Peña, Víctor Upna Orcid; Kuznetsov, Sergei A.; Beruete Díaz, Miguel Upna Orcid (Wiley, 2018)   Artículo / Artikulua  OpenAccess
      The discovery of extraordinary optical transmission (EOT) through patterned metallic foils in the late 1990s was decisive for the development of plasmonics and cleared the path to employ small apertures for a variety of ...

    • Far-field and near-field physics of extraordinary THz transmitting hole-array antennas 

      Camacho, Miguel; Boix, Rafael R.; Kuznetsov, Sergei A.; Beruete Díaz, Miguel Upna Orcid; Navarro Cía, Miguel Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      Despite three decades of effort, predicting accurately extraordinary transmission through subwavelength hole arrays has proven challenging. The lack of quantitative design and modeling capability to take into account ...

    • Fully metallic Luneburg metalens antenna in gap waveguide technology at V-band 

      Pérez Quintana, Dayan Upna Orcid; Bilitos, Christos; Ruiz-García, Jorge; Ederra Urzainqui, Íñigo Upna Orcid; Teniente Vallinas, Jorge Upna Orcid; González-Ovejero, David; Beruete Díaz, Miguel Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      This article presents the design of a flat Luneburg metalens antenna at V-band using gap waveguide (GW) technology. The metalens consists of a parallel plate waveguide (PPW) loaded with metallic pins whose height is ...

    • High aperture efficiency wide corrugations bull’s-eye antenna working at 60 GHz 

      Beaskoetxea Gartzia, Unai Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2017)   Artículo / Artikulua  OpenAccess
      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 ...

    • Increasing surface plasmons propagation via photonic nanojets with periodically spaced 3D dielectric cuboids 

      Pacheco-Peña, Víctor Upna Orcid; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel Upna Orcid (MDPI, 2016)   Artículo / Artikulua  OpenAccess
      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 ...

    • Ku band low profile asymmetric Bull’s-Eye antenna with reduced side lobes and monopole feeding 

      Beaskoetxea Gartzia, Unai Upna Orcid; Torres García, Alicia E. Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2018)   Artículo / Artikulua  OpenAccess
      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 ...

    • Labyrinth metasurface absorber for ultra-high-sensitivity terahertz thin film sensing 

      Jáuregui López, Irati Upna Orcid; Rodríguez Ulibarri, Pablo Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Kuznetsov, Sergei A.; Beruete Díaz, Miguel Upna Orcid (Wiley, 2018)   Artículo / Artikulua  OpenAccess
      In this work, a labyrinth metasurface sensor operating at the low‐frequency edge of the THz band is presented. Its intricate shape leads to a high electric field confinement on the surface of the structure, resulting in ...

    • Labyrinth metasurface for biosensing applications: numerical study on the new paradigm of metageometries 

      Jáuregui López, Irati Upna Orcid; Rodríguez Ulibarri, Pablo Upna Orcid; Kuznetsov, Sergei A.; Quemada Mayoral, Carlos Upna Orcid; Beruete Díaz, Miguel Upna Orcid (MDPI, 2019)   Artículo / Artikulua  OpenAccess
      The use of metasurfaces operating in the terahertz regime as biosensor devices has attracted increased interest in recent years due to their enhanced sensitivity and more accurate detection capability. Typical designs are ...

    • Low-sidelobe-level millimeter-wave asymmetric bull's eye antenna with minimal profile feeding 

      Navarro Cía, Miguel Upna Orcid; Beaskoetxea Gartzia, Unai Upna Orcid; Teniente Vallinas, Jorge Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2024)   Artículo / Artikulua  OpenAccess
      Bull’s eye antennas exhibit remarkable directivity considering their low profile, albeit accompanied by high sidelobes. This undesirable radiation characteristic is tackled here by reporting a complementary split ring ...

    • Metageometries for polycyclic aromatic hydrocarbons detection at THz range in food systems 

      Jáuregui López, Irati Upna Orcid; Insausti Barrenetxea, Kizkitza Upna Orcid; Beriain Apesteguía, María José Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      Polycyclic aromatic hydrocarbons, when present in food systems, have been shown to have a detrimental effect on human health, producing carcinogenic elements. So, the implementation of processes for their detection and ...

    • Metal-free design of a multilayered metamaterial with chirped Bragg grating for enhanced radiative cooling 

      Osuna Ruiz, David; Lezaun Capdevila, Carlos; Torres García, Alicia E. Upna Orcid; Beruete Díaz, Miguel Upna Orcid (Optica, 2023)   Artículo / Artikulua  OpenAccess
      A wideband, all-dielectric metamaterial structure for enhancing radiative cooling is investigated. The structure is optimized to reflect most of the solar irradiance window (between 0.3 µm–3 µm), which is one of the biggest ...

    • Metasurface-based ultrathin carpet cloaks for millimeter waves 

      Orazbayev, Bakhtiyar Upna Orcid; Mohammadi Estakhri, Nasim; Alù, Andrea; Beruete Díaz, Miguel Upna Orcid (2017)   Artículo / Artikulua  OpenAccess
      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 spectroscopy (MIR) for simultaneous determination of fat and protein content in meat of several animal species 

      Lozano Saiz, María; Rodríguez Ulibarri, Pablo Upna Orcid; Echeverría Morrás, Jesús Upna Orcid; Beruete Díaz, Miguel Upna Orcid; Sorolla Ayza, Mario Upna; Beriain Apesteguía, María José Upna Orcid (Springer, 2017)   Artículo / Artikulua  OpenAccess
      The aim of this research was to study the application of MIR spectroscopy as an alternative to conventional methods to determine fat and protein content. Samples of the main species used to produce meat products were ...
      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
      Logo MinisterioLogo Fecyt

      Contacto | Sugerencias