Listar por autor UPNA "Beruete Díaz, Miguel"
Mostrando ítems 61-80 de 133
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Labyrinth metasurface absorber for ultra-high-sensitivity terahertz thin film sensing
Jáuregui López, Irati
; Rodríguez Ulibarri, Pablo ; Urrutia Azcona, Aitor ; Kuznetsov, Sergei A.; Beruete Díaz, Miguel (Wiley, 2018)
Artículo / Artikulua 
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 ; Rodríguez Ulibarri, Pablo ; Kuznetsov, Sergei A.; Quemada Mayoral, Carlos ; Beruete Díaz, Miguel (MDPI, 2019)
Artículo / Artikulua
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 ... -
Leaky wave antennas, plasmonics and metamaterials in the terahertz
Beaskoetxea Gartzia, Unai (2017)
Tesis doctoral / Doktoretza tesia
La demostración del fenómeno de EOT en el rango de las milimétricas y las microondas y la presentación de la antena BE de onda de fuga en [53], propició el desarrollo de diversas antenas BE corrugadas, cada una de ellas ... -
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 ... -
Lentes metálicas basadas en el fenómeno de transmisión extraordinaria para conseguir índices de refracción negativos
Navarro Cía, Miguel ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Campillo, Igor (2009)
Contribución a congreso / Biltzarrerako ekarpena
In this communication we report plano-concave and bi-concave metamaterial lenses based on the close stack of subwavelegnth hole arrays. Contrary to what is expected from cut-off holes, an engineered array of holes ... -
Lipid and protein oxidation marker compounds in horse meat determined by MIR spectroscopy
Jáuregui López, Irati ; Zulategi, Fernando; Beriain Apesteguía, María José ; Sarriés Martínez, María Victoria ; Beruete Díaz, Miguel ; Insausti Barrenetxea, Kizkitza (MDPI, 2020)
Artículo / Artikulua
This work broadens the study of lipid and protein oxidation marker compounds in foal meat, employing the technology of Attenuated Total Reflectance-Fourier Transform Mid-Infrared Spectroscopy (ATR-FT/MIR, shortened in the ... -
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 ... -
Low profile THz periodic leaky-wave antenna
Beaskoetxea Gartzia, Unai ; Beruete Díaz, Miguel ; Rodríguez Ulibarri, Pablo ; Etayo Salinas, David ; Sorolla Ayza, Mario ; Navarro Cía, Miguel ; Zehar, Mokhtar; Blary, Karine; Chahadih, Abdallah; Han, Xiang-Lei; Akalin, Tahsin (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a 0.566THz flat leaky-wave antenna, consisting of a central λ0/2 slot surrounded by straight parallel wedge corrugations, is numerically and experimentally analyzed. Simulations show a moderately high gain ... -
Low-sidelobe-level millimeter-wave asymmetric bull's eye antenna with minimal profile feeding
Navarro Cía, Miguel ; Beaskoetxea Gartzia, Unai ; Teniente Vallinas, Jorge ; Beruete Díaz, Miguel (IEEE, 2024)
Artículo / Artikulua
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 ... -
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 ... -
Metageometries for polycyclic aromatic hydrocarbons detection at THz range in food systems
Jáuregui López, Irati ; Insausti Barrenetxea, Kizkitza ; Beriain Apesteguía, María José ; Beruete Díaz, Miguel (IEEE, 2021)
Artículo / Artikulua
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 3D printed D-Band waveguide to surface wave transition
Freer, Suzanna; Martinez, Rafael; Pérez Quintana, Dayan ; Beruete Díaz, Miguel ; Hanham, Stephen M.; Attallah, Moataz M.; Navarro Cía, Miguel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
The coupling efficiency between free space waves and surface waves is low, narrowband, or both. Highly efficient broadband (better than 20% fractional bandwidth) coupling from waveguide modes can be achieved through ... -
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. ; Beruete Díaz, Miguel (Optica, 2023)
Artículo / Artikulua
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 ... -
Metamaterials and extraordinary transmission structures applied to microwave, millimeter and terahertz waves devices
Rodríguez Ulibarri, Pablo (2017)
Tesis doctoral / Doktoretza tesia
Los metamateriales aparecen en los primeros años del siglo XXI como materiales artificiales que presentan un comportamiento electromagnético de alguna manera exótico. Al mismo tiempo, se descubre un nuevo fenómeno ... -
Metamaterials and plasmonics applied to devices based on periodic structures at high frequencies: microwaves, terahertz and optical range
Pacheco-Peña, Víctor (2016)
Tesis doctoral / Doktoretza tesia
Esta tesis muestra el trabajo de investigación desarollado bajo el programa de doctorado “tecnología de las comunicaciones” de la Universidad Pública de Navarra (UPNA), para el grado de Doctor (PhD) en Ingenieria de ... -
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 ... -
Mid-infrared spectroscopy (MIR) for simultaneous determination of fat and protein content in meat of several animal species
Lozano Saiz, María; Rodríguez Ulibarri, Pablo ; Echeverría Morrás, Jesús ; Beruete Díaz, Miguel ; Sorolla Ayza, Mario ; Beriain Apesteguía, María José (Springer, 2017)
Artículo / Artikulua
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 ... -
Millimeter-wave extraordinary transmission: connection to metamaterials and technological applications
Beruete Díaz, Miguel (2006)
Tesis doctoral / Doktoretza tesia
The phenomenon of Enhanced Transmission also happens in the millimeter wave range, as it happened in optical frequencies. This experimental fact shows that this is a phenomenon mostly linked to the periodic structure regardless ...
