Browsing Artículos de revista ISC - ISC aldizkari artikuluak by Issue Date
Now showing items 1-20 of 80
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Heat pipes thermal performance for a reversible thermoelectric cooler-heat pump for a nZEB
Aranguren Garacochea, Patricia
; Díaz de Garayo, Sergio; Martínez Echeverri, Álvaro ; Araiz Vega, Miguel ; Astrain Ulibarrena, David (Elsevier, 2019)
Artículo / Artikulua
The nZEB standards reduce the energy demand of these buildings to a minimum, obtaining this little energy from renewable resources. Taking these aspect into consideration, a thermoelectric cooler-heat pump is proposed to ... -
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, ... -
Remote access protocols for Desktop-as-a-Service solutions
Magaña Lizarrondo, Eduardo; Sesma Gracia, Iris; Morató Osés, Daniel ; Izal Azcárate, Mikel (Public Library of Science, 2019)
Artículo / Artikulua
The use of remote desktop services on virtualized machines is a general trend to reduce the cost of desktop seats. Instead of assigning a physical machine with its operating system and software to each user, it is considerably ... -
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 ... -
Grating lobes in higher-order correlation functions of arrays of quantum emitters: directional photon bunching
Liberal Olleta, Íñigo; Ederra Urzainqui, Íñigo ; Ziolkowsky, Richard W. (MDPI, 2019)
Artículo / Artikulua
Recent advances in nanofabrication and optical manipulation techniques are making it possible to build arrays of quantum emitters with accurate control over the locations of their individual elements. In analogy with ... -
Compensation of nonlocal effects induced by the extinction ratio of pump pulses in Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon; Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (Optical Society of America, 2019)
Artículo / Artikulua
We demonstrate a technique to compensate the nonlocal effects that appear in Brillouin optical time-domain analysis sensors when pump pulses with limited extinction ratio are deployed. These recently discovered nonlocal ... -
General overlap functions
Miguel Turullols, Laura de; Gomez, Daniel; Tinguaro, Javier; Montero, Javier; Bustince Sola, Humberto ; Pereira Dimuro, Graçaliz ; Sanz, Jose Antonio (Elsevier, 2019)
Artículo / Artikulua
As a generalization of bivariate overlap functions, which measure the degree of overlapping (intersection for non-crisp sets) of n different classes, in this paper we introduce the concept of general overlap functions. We ... -
Optimized strain long-period fiber grating (LPFG) sensors operating at the dispersion turning point
Del Villar, Ignacio; Fuentes, Omar; Chiavaioli, Francesco; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (IEEE, 2018)
Artículo / Artikulua
Two phenomena for enhancing the sensitivity of longperiod fiber gratings are combined toward an increase of the sensitivity to strain of this type of devices: the dispersion turning point (DTP) and the cladding diameter ... -
Nanofabrication of phase-shifted Bragg gratings on the end facet of multimode fiber towards development of optical filters and sensors
Gallego, E.E.; Ascorbe Muruzabal, Joaquín; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (Elsevier, 2018)
Artículo / Artikulua
This work describes the process of nanofabrication of phase-shifted Bragg gratings on the end facet of a multimode optical fiber with a pulsed DC sputtering system based on a single target. Several structures have been ... -
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 ... -
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 ... -
Implementation and operational analysis of an interactive intensive care unit within a smart health context
López Iturri, Peio; Aguirre Gallego, Erik ; Trigo Vilaseca, Jesús Daniel; Astrain Escola, José Javier ; Azpilicueta Fernández de las Heras, Leyre ; Serrano Arriezu, Luis Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2018)
Artículo / Artikulua
In the context of hospital management and operation, Intensive Care Units (ICU) are one of the most challenging in terms of time responsiveness and criticality, in which adequate resource management and signal processing ... -
Parameter-independent control for battery chargers based on virtual impedance emulation
Urtasun Erburu, Andoni; Berrueta Irigoyen, Alberto; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2018)
Artículo / Artikulua
An effective battery voltage regulation is fundamental to extend battery lifetime and to avoid overvoltage. However, the design of this regulation is complicated due to the wide battery impedance range, which, when dealing ... -
Pulse coding linearization for Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon; Iribas Pardo, Haritz ; Loayssa Lara, Alayn (Optical Society of America, 2018)
Artículo / Artikulua
We introduce a simple method to extend the performance of pulse coding techniques in their application to Brillouin optical time-domain analysis sensors (BOTDA). It is based on applying a simple logarithmic processing on ... -
Comparison between capacitive and microstructured optical fiber soil moisture sensors
López Aldaba, Aitor; López Torres, Diego ; Campo Bescós, Miguel Ángel ; López Rodríguez, José Javier; Yerro Lizarazu, David; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (MDPI, 2018)
Artículo / Artikulua
Soil moisture content has always been an important parameter to control because it is a deterministic factor for site-specific irrigation, seeding, transplanting, and compaction detection. In this work, a discrete sensor ... -
A comprehensive model for lithium-ion batteries: from the physical principles to an electrical model
Berrueta Irigoyen, Alberto; Urtasun Erburu, Andoni; Ursúa Rubio, Alfredo ; Sanchis Gúrpide, Pablo (Elsevier, 2018)
Artículo / Artikulua
The growing interest in e-mobility and the increasing installation of renewable energy-based systems are leading to rapid improvements in lithium-ion batteries. In this context, battery manufacturers and engineers require ... -
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 ... -
Technical and environmental characterization of hydraulic and alkaline binders
(Elsevier, 2018) Artículo / ArtikuluaPortland cement is a widely used binder in construction and building applications because of its good properties. Despite its convenience as construction material, the social demands and policies trends are requesting a ... -
A simplified design inline microstrip-to-waveguide transition
Ederra Urzainqui, Íñigo; Gonzalo García, Ramón ; Pérez Escudero, José Manuel ; Torres García, Alicia E. (MDPI, 2018)
Artículo / Artikulua
A simplified design of an inline transition between microstrip and rectangular waveguide is presented in this paper. The transition makes use of a dielectric filled rectangular waveguide (DFRW) as an intermediate step, ... -
Ransomware early detection by the analysis of file sharing traffic
Morató Osés, Daniel; Berrueta Irigoyen, Eduardo; Magaña Lizarrondo, Eduardo ; Izal Azcárate, Mikel (Elsevier, 2018)
Artículo / Artikulua
Crypto ransomware is a type of malware that locks access to user files by encrypting them and demands a ransom in order to obtain the decryption key. This type of malware has become a serious threat for most enterprises. ...
