Browsing Artículos de revista DIEE - IEES Aldizkari artikuluak by Issue Date
Now showing items 21-40 of 363
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Rectangular waveguide filters with meandered topology
Teberio Berdún, Fernando
; Percaz Ciriza, Jon Mikel ; Arregui Padilla, Iván ; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel ; Arnedo Gil, Israel (IEEE, 2018)
Artículo / Artikulua 
In this paper, a new topology for rectangular waveguide bandpass and low-pass filters is presented. A simple, accurate, and robust design technique for these novel meandered waveguide filters is provided. The proposed ... -
SnO2-MOF-Fabry-Perot optical sensor for relative humidity measurements
López Aldaba, Aitor; López Torres, Diego ; Elosúa Aguado, César ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; Arregui San Martín, Francisco Javier ; López-Amo Sáinz, Manuel (Elsevier, 2018)
Artículo / Artikulua
In this paper, a new optical fiber sensor for relative humidity measurements is presented and characterized. The sensor is based on a SnO2 sputtering deposition on a microstructured optical fiber (MOF) low-finesse Fabry-Pérot ... -
Simultaneous strain and temperature multipoint sensor based on microstructured optical fiber
López Aldaba, Aitor; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (IEEE, 2018)
Artículo / Artikulua
In this paper, a new sensor system for simultaneous and independent multipoint strain and temperature measurements is presented. The interrogation of the sensing heads has been carried out by monitoring their FFT phase ... -
All-PM fiber loop mirror interferometer analysis and simultaneous measurement of temperature and mechanical vibration
Leandro González, Daniel ; López-Amo Sáinz, Manuel (IEEE, 2018)
Artículo / Artikulua
In this work, a new all-polarization maintaining (PM) fiber loop mirror interferometer is proposed and validated as temperature and mechanical vibration sensor. The scheme employs the arms of a PM coupler as communication ... -
End-of-fiber signals strongly influence the first and second phases of the M wave in the vastus lateralis: implications for the study of muscle excitability
Rodríguez Falces, Javier ; Place, Nicolas (Frontiers Media, 2018)
Artículo / Artikulua
It has been recurrently observed that, for compound muscle action potentials (M wave) recorded over the innervation zone of the vastus lateralis, the descending portion of the first phase generally shows an 'inflection' ... -
Real-time imaging with frequency scanning array antenna for industrial inspection applications at W band
Larumbe Gonzalo, Belén; Laviada, Jaime; Ibáñez Loinaz, Asier; Teniente Vallinas, Jorge (Springer, 2018)
Artículo / Artikulua
A real-time imaging system based on a frequency scanning antenna for conveyor belt setups is presented in this paper. The frequency scanning antenna together with an inexpensive parabolic reflector operates at the W band ... -
Wideband printed monopole antenna for application in wireless communication systems
Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier (IET, 2018)
Artículo / Artikulua
Empirical results of an electrically small printed monopole antenna are described with a fractional bandwidth of 185% (115 MHz to 2.90 GHz) for return-loss better than 10 dB, peak gain and radiation efficiency at 1.45 GHz ... -
Advances in residential design related to the influence of geomagnetism
Glaria, Francisco; Arnedo Gil, Israel ; Sánchez Ostiz, Ana (MDPI, 2018)
Artículo / Artikulua
Since the origin of the Modern Movement, there has been a basic commitment to improving housing conditions and the well-being of occupants, especially given the prediction that 2/3 of humanity will reside in cities by 2050. ... -
3D-printed 96 GHz bull’s-eye antenna with off-axis beaming
Beaskoetxea Gartzia, Unai ; Maci, Stefano; Navarro Cía, Miguel ; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua
Reducing the profile, footprint and weight of antennas embarked on aircrafts, drones or satellites has been a long pursued objective. Here we tackle this issue by developing a millimeter-wave 96 GHz elliptical Bull’s-Eye ... -
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 ... -
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 ... -
Actividad electromiográfica (EMG) durante el pedaleo, su utilidad en el diagnóstico de la fatiga en ciclistas
Córdova Martínez, Alfredo; Nuin, Iván; Fernández-Lázaro, Diego; Latasa Zudaire, Iban Alexander ; Rodríguez Falces, Javier (SEMED - FEMEDE, 2017)
Artículo / Artikulua
La fatiga muscular tiene múltiples definiciones, pero con una misión especial cual es la misión protectora, avisando al organismo sobre la debilidad o la aparición de una incapacidad funcional. En esta revisión se hace ... -
Synthesis of one dimensional electromagnetic bandgap structures with fully controlled parameters
Arnedo Gil, Israel ; Chudzik, Magdalena ; Percaz Ciriza, Jon Mikel ; Arregui Padilla, Iván ; Teberio Berdún, Fernando ; Benito Pertusa, David ; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel (IEEE, 2017)
Artículo / Artikulua
In this paper, we propose a novel synthesis strategy for the design of one dimensional electromagnetic bandgap (1- D-EBG) structures where all the performance parameters of these devices can fully be controlled, i.e., ... -
Sensitivity enhancement in low cutoff wavelength long-period fiber gratings by cladding diameter reduction
Del Villar, Ignacio ; Partridge, Matthew; Rodríguez Rodríguez, Wenceslao Eduardo; Fuentes Lorenzo, Omar ; Socorro Leránoz, Abián Bentor ; Díaz Lucas, Silvia ; Corres Sanz, Jesús María ; James, Stephen; Tatam, Ralph (MDPI, 2017)
Artículo / Artikulua
The diameter of long-period fiber gratings (LPFGs) fabricated in optical fibers with a low cutoff wavelength was be reduced by hydrofluoric acid etching, enhancing the sensitivity to refractive index by more than a factor ... -
Is there a frontier in sensitivity with lossy mode resonance (LMR) based refractometers?
Ozcariz Celaya, Aritz ; Ruiz Zamarreño, Carlos ; Zubiate Orzanco, Pablo ; Arregui San Martín, Francisco Javier (Nature Publishing Group, 2017)
Artículo / Artikulua
A tin dioxide thin layer has been studied in order to improve the sensitivity of lossy mode resonances (LMR) based sensors. The effects of the thin film thickness and the polarization of light in a SnO2 coated D-shaped ... -
ECOAL project: delivering solutions for integrated monitoring of coal-related fires supported on optical fiber sensing technology
Ribeiro, Joana; Viveiros, Duarte; Ferreira, João; López Gil, Alexia; Domínguez López, Alejandro; Martins, Hugo F.; Pérez Herrera, Rosa Ana ; López Aldaba, Aitor ; Duarte, Lia; Rodrigues Pinto, Ana Margarida ; Martín López, Sonia; Baierl, Hardy; Jamier, Raphael; Rougier, Sébastien; Auguste, Jean-Louis; Teodoro, Ana Cláudia; Gonçalves, José Alberto; Esteban, Óscar; Santos, José Luís; Roy, Philippe; López-Amo Sáinz, Manuel ; González Herráez, Miguel; Baptista, José Manuel; Flores, Deolinda (MDPI, 2017)
Artículo / Artikulua
The combustion of coal wastes resulting from mining is of particular environmental concern, and the importance of proper management involving real-time assessment of their status and identification of probable evolution ... -
Optimization in nanocoated D-shaped optical fiber sensors
Del Villar, Ignacio ; Zubiate Orzanco, Pablo ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2017)
Artículo / Artikulua
Nanocoated D-shaped optical fibers have been proven as effective sensors. Here, we show that the full width at half minimum (FWHM) of lossy mode resonance can be reduced by optimizing the nanocoating width, thickness and ... -
Increasing the sensitivity of an optic level sensor with a wavelength and phase sensitive single-mode multimode single-mode (SMS) fiber structure
Fuentes Lorenzo, Omar; Del Villar, Ignacio ; Vento, José R.; Socorro Leránoz, Abián Bentor ; Gallego, E.E.; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (IEEE, 2017)
Artículo / Artikulua
The sensitivity of a liquid level sensor based on a single-mode-multimode-single-mode fiber structure has been increased by hydrofluoric acid etching. The etching process was analyzed and monitored both theoretical and ... -
One-way quasiplanar terahertz absorbers using nonstructured polar dielectric layers
Rodríguez Ulibarri, Pablo ; Serebryannikov, Andriy E.; Beruete Díaz, Miguel (American Physical Society, 2017)
Artículo / Artikulua
A concept of quasiplanar one-way transparent terahertz absorbers made of linear isotropic materials is presented. The resulting structure consists of a homogeneous absorbing layer of polar dielectric, GaAs, a dispersion-free ... -
Luminescence-based optical sensors fabricated by means of the layer-by-layer nano-assembly technique
Acha Morrás, Nerea de ; Elosúa Aguado, César ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (MDPI, 2017)
Artículo / Artikulua
Luminescence-based sensing applications range from agriculture to biology, including medicine and environmental care, which indicates the importance of this technique as a detection tool. Luminescent optical sensors are ...
