Listar Artículos de revista ISC - ISC aldizkari artikuluak por autor UPNA "Beruete Díaz, Miguel"
Mostrando ítems 21-39 de 39
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Moisture content estimation models of flour matrices in the 67-110 GHz frequency range using a nondestructive and contactless monitoring system
Quemada Mayoral, Carlos
; Ederra Urzainqui, Íñigo ; Beruete Díaz, Miguel ; Gonzalo García, Ramón ; Iriarte Galarregui, Juan Carlos (IEEE, 2023)
Artículo / Artikulua 
This work addresses the lack of moisture content estimation models for food products in the millimeter-wave frequency range and showcases the potential of this range for designing compact, cost-effective, and in-line food ... -
Nonbianisotropic complementary split ring resonators as angular selective metasurfaces
Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel (Optical Society of America, 2017)
Artículo / Artikulua
In this work, a metasurface with unconventional angular performance and composed by a nonbianisotropic complementary split ring resonator (NB-CSRR) is analyzed numerically and experimentally. A numerical study comparing ... -
On the performance of an ENZ-based sensor using transmission line theory and effective medium approach
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel ; Rodríguez Ulibarri, Pablo ; Engheta, Nader (IOP Publishing, 2019)
Artículo / Artikulua
In this paper we perform an in-depth theoretical studyofa sensing platform based on epsilon-near- zero (ENZ) metamaterials. The structure proposed for sensing is a narrow metallic waveguide channel. An equivalent circuit ... -
On the performance of the zoned fishnet metamaterial lens with positive and negative reference phase
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (IEEE, 2016)
Artículo / Artikulua
In this letter, several converging fishnet metalenses are designed using both the zoning and reference phase techniques. They are engineered with a focal length of 1.5λ0 at the design frequency of 55 GHz (λ0 = 5.45 mm) at ... -
Overcoming the diffraction limit with high-index dielectric particles
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this communication, we propose and demonstrate the ability to produce photonic nanojets using high refractive index dielectric particles immersed in air. An extremely narrow focus is produced just at the output surface ... -
Phase reversal technique applied to fishnet metalenses
Pacheco-Peña, Víctor ; Minin, Igor V.; Minin, Oleg V.; Beruete Díaz, Miguel (Hindawi, 2018)
Artículo / Artikulua
In this work, the fishnet metamaterial is applied to several converging metalenses by combining the zoning, reference phase, and phase reversal techniques. First, the zoning and reference phase techniques are implemented ... -
Photonic nanojets with mesoscale high-index dielectric particles
Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (AIP Publishing, 2019)
Artículo / Artikulua
In this work, we demonstrate the ability of high-index dielectric particles immersed in air to generate photonic nanojets with extreme resolution (∼0.06λ0). Both 2D (cylindrical) and 3D (spherical) particles are analyzed, ... -
Response of complementary split ring resonators in composite stratified substrate integrated waveguide
Pérez Escudero, José Manuel ; Jarauta Ayensa, Eduardo ; Falcone Lanas, Francisco Javier ; Beruete Díaz, Miguel (American Institute of Physics, 2017)
Artículo / Artikulua
In this work, the behavior of a Complementary Split Ring Resonator (CSRR) operating within the quasi-static resonance regime and embedded in a composite stratified Substrate Integrated Waveguide (SIW) with two different ... -
Silicon carbide as a material-based high-impedance surface for enhanced absorption within ultra-thin metallic films
Pérez Escudero, José Manuel ; Buldain, Iban; Beruete Díaz, Miguel ; Goicoechea Fernández, Javier ; Liberal Olleta, Íñigo (Optical Society of America, 2020)
Artículo / Artikulua
The absorption of infrared radiation within ultra-thin metallic films is technologically relevant for different thermal engineering applications and optoelectronic devices, as well as for fundamental research on sub-nanometer ... -
Steering surface plasmons with a graded index dielectric medium
Beruete Díaz, Miguel ; Pacheco-Peña, Víctor (IOP Publishing, 2018)
Artículo / Artikulua
The arbitrary control of surface plasmon (SP) propagation has become an intense research topic for several decades. This is due to the fact that they can be used in a variety of fields such as optical trapping, nanoantennas ... -
Super-oscillatory metalens at terahertz for enhanced focusing with reduced side lobes
Legaria Lerga, Santiago; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (MDPI, 2018)
Artículo / Artikulua
In this paper, we design and numerically demonstrate an ultra-thin super-oscillatory metalens with a resolution below the diffraction limit. The zones of the lens are implemented using metasurface concepts with hexagonal ... -
Suppressed-scattering spectral windows for radiative cooling applications
Pérez Escudero, José Manuel ; Torres García, Alicia E. ; Lezaun Capdevila, Carlos; Caggiano, Antonio; Peralta, Ignacio; Dolado, Jorge S.; Beruete Díaz, Miguel ; Liberal Olleta, Íñigo (Optica, 2023)
Artículo / Artikulua
The scattering of light by resonant nanoparticles is a key process for enhancing the solar reflectance in daylight radiative cooling. Here, we investigate the impact of material dispersion on the scattering performance of ... -
Terahertz sensing based on metasurfaces
Beruete Díaz, Miguel ; Jáuregui López, Irati (Wiley, 2020)
Artículo / Artikulua
The terahertz (THz) band has very attractive characteristics for sensing and biosensing applications, due to some interesting features such as being a non-ionizing radiation, very sensitive to weak interactions, thus, ... -
THz sensing with anomalous extraordinary optical transmission hole arrays
Jáuregui López, Irati ; Rodríguez Ulibarri, Pablo ; Kuznetsov, Sergei A.; Nikolaev, Nazar A.; Beruete Díaz, Miguel (MDPI, 2018)
Artículo / Artikulua
Subwavelength hole array (HA) metasurfaces support the so-called extraordinary optical transmission (EOT) resonance that has already been exploited for sensing. In this work, we demonstrate the superior performance of a ... -
Tripod-loop metasurfaces for terahertz-sensing applications: a comparison
Jáuregui López, Irati ; Orazbayev, Bakhtiyar ; Pacheco-Peña, Víctor ; Beruete Díaz, Miguel (MDPI, 2020)
Artículo / Artikulua
The high electric field intensity achieved on the surface of sensors based on metasurfaces (metasensors) makes them an excellent alternative for sensing applications where the volume of the sample to be identified is tiny ... -
Tunable deflection and asymmetric transmission of THz waves using a thin slab of graphene-dielectric metamaterial, with and without ENZ components
Serebryannikov, Andriy E.; Hajian, Hodjat; Beruete Díaz, Miguel ; Ozbay, Ekmel; Vandenbosch, Guy A. E. (Optical Society of America, 2018)
Artículo / Artikulua
Tunable deflection of obliquely incident, linearly polarized terahertz waves is theoretically studied in a wide frequency range around 20 THz, by combining a thin slab of graphene-dielectric metamaterial (with ten layers ... -
Ultrathin and high-efficiency Pancharatnam-Berry phase metalens for millimeter waves
Moreno-Peñarrubia, Alexia; Teniente Vallinas, Jorge ; Kuznetsov, Sergei A.; Orazbayev, Bakhtiyar ; Beruete Díaz, Miguel (AIP Publishing, 2021)
Artículo / Artikulua
Applying the Pancharatnam–Berry (PB) principle to half-wave plate (HWP) metasurfaces allows the manipulation of wavefronts along with the conversion of the handedness of circularly polarized incident waves by simply rotating ... -
Ultrathin sub-terahertz half-wave plate with high conversion efficiency based on zigzag metasurface
Moreno-Peñarrubia, Alexia; Kuznetsov, Sergei A.; Beruete Díaz, Miguel (IEEE, 2020)
Artículo / Artikulua
In this communication, an ultrathin transmissive half-wave plate (HWP) based on a bi-layered zigzag metasurface operating at the lower frequency edge of the terahertz (THz) spectrum is numerically and experimentally studied. ... -
Wideband backscattering reduction at terahertz using compound reflection grating
Orazbayev, Bakhtiyar ; Rodríguez Ulibarri, Pablo ; Beruete Díaz, Miguel (Optical Society of America, 2017)
Artículo / Artikulua
Backscattering reduction is usually achieved by using either absorbers or diffractions gratings at the expense of a narrow bandwidth. In this paper, we propose a different strategy based on a metallic compound reflection ...
