Listar Artículos de revista DIEE - IEES Aldizkari artikuluak por fecha de publicación
Mostrando ítems 41-60 de 391
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Characterization of microring filters for differential group delay applications
Doménech, D.; Chamorro Posada, P.; Fraile Pelaez, F.J.; Erro Betrán, María José
; Tainta Ausejo, Santiago ; Muriel, M. A.; Baños, R.; Bolten, J.; Kleinjans, H. (IEEEOptical Society of America, 2017)
Artículo / Artikulua 
The longitudinal offset technique permits to improve the accuracy of the coupling coefficients of integrated directional couplers and provides designs that can be easily implemented with current fabrication tolerances. ... -
Annular apertures in metallic screens as extraordinary transmission and frequency selective surface structures
Rodríguez Ulibarri, Pablo ; Navarro Cía, Miguel ; Rodríguez Berral, Raúl; Mesa, Francisco; Medina, Francisco; Beruete Díaz, Miguel (IEEE, 2017)
Artículo / Artikulua
A 2-D periodic array of annular apertures (or ring slots) is studied using an accurate circuit model. The model accounts for distributed and dynamic effects associated with the excitation of high-order modes operating above ... -
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 ... -
Tunable SESAM-based mode-locked soliton fiber laser in linear cavity by axial-strain applied to a FBG
Aporta, I.; Leandro González, Daniel ; Quintela, M. A.; Pérez Herrera, Rosa Ana ; López-Amo Sáinz, Manuel ; López Higuera, José Miguel (IEEE, 2017)
Artículo / Artikulua
A self-started stable tunable mode-locked (ML) soliton fiber laser in a linear cavity structure composed by commercial passive elements is presented in this paper. It is based on the combination of an Erbium doped fiber ... -
Second-order nonlocal effects mitigation in Brillouin optical time-domain analysis sensors by tracking the Brillouin frequency shift profile of the fiber
Mompó Roselló, Juan José; Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (IEEE, 2017)
Artículo / Artikulua
We report on an additional limitation that has been found in Brillouin optical time-domain analysis (BOTDA) sensors due to the so-called second-order nonlocal effects (NLE). Second-order NLE appear in BOTDA setups that ... -
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 ... -
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 ... -
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 ... -
Optical sensors based on lossy-mode resonances
Matías Maestro, Ignacio ; Ascorbe Muruzabal, Joaquín ; Acha Morrás, Nerea de ; López Torres, Diego ; Zubiate Orzanco, Pablo ; Sánchez Zábal, Pedro ; Urrutia Azcona, Aitor ; Socorro Leránoz, Abián Bentor ; Rivero Fuente, Pedro J. ; Hernáez Sáenz de Zaitigui, Miguel ; Elosúa Aguado, César ; Goicoechea Fernández, Javier ; Bariáin Aisa, Cándido ; Corres Sanz, Jesús María ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Del Villar, Ignacio (Elsevier Science, 2017)
Artículo / Artikulua
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High sensitive and selective C-reactive protein detection by means of lossy mode resonance based optical fiber devices
Zubiate Orzanco, Pablo ; Ruiz Zamarreño, Carlos ; Sánchez Zábal, Pedro ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Elsevier, 2017)
Artículo / Artikulua
This work presents the development of high sensitive, selective, fast and reusable C-reactive protein (CRP) aptasensors. This novel approach takes advantage of the utilization of high sensitive refractometers based on ... -
Photonic crystal fiber interferometer coated with a PAH/PAA nanolayer as humidity sensor
López Torres, Diego ; Elosúa Aguado, César ; Villatoro, Joel; Zubia, Joseba; Rothhardt, Manfred; Schuster, Kay; Arregui San Martín, Francisco Javier (Elsevier, 2017)
Artículo / Artikulua
In this paper, an optical fiber interferometric humidity sensor is presented. The device consists of 1 cmlong segment of photonic crystal fiber (PCF) spliced to standard single mode fibers (SMFs), forming an interferometer: ... -
Enhancing sensitivity of photonic crystal fiber interferometric humidity sensor by the thickness of SnO2 thin films
López Torres, Diego ; Elosúa Aguado, César ; Villatoro, Joel; Zubia, Joseba; Rothhardt, Manfred; Schuster, Kay; Arregui San Martín, Francisco Javier (Elsevier, 2017)
Artículo / Artikulua
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Temperature sensor using a multiwavelength erbium-doped fiber ring laser
Díaz Lucas, Silvia ; San Fabián García, Noé ; Socorro Leránoz, Abián Bentor ; Matías Maestro, Ignacio (Hindawi, 2017)
Artículo / Artikulua
A novel temperature sensor is presented based on a multiwavelength erbium-doped fiber ring laser.The laser is comprised of fiber Bragg grating reflectors as the oscillation wavelength selecting filters.The performance of ... -
Micro and nanostructured materials for the development of optical fibre sensors
Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Corres Sanz, Jesús María ; Bariáin Aisa, Cándido ; Goicoechea Fernández, Javier ; Hernáez Sáenz de Zaitigui, Miguel ; Rivero Fuente, Pedro J. ; Socorro Leránoz, Abián Bentor ; Urrutia Azcona, Aitor ; Sánchez Zábal, Pedro ; Zubiate Orzanco, Pablo ; López Torres, Diego ; Acha Morrás, Nerea de ; Ascorbe Muruzabal, Joaquín ; Ozcariz Celaya, Aritz ; Matías Maestro, Ignacio (MDPI, 2017)
Artículo / Artikulua
The measurement of chemical and biomedical parameters can take advantage of the features exclusively offered by optical fibre: passive nature, electromagnetic immunity and chemical stability are some of the most relevant ... -
Study of optical fiber sensors for cryogenic temperature measurements
Miguel Soto, Verónica de ; Leandro González, Daniel ; López Aldaba, Aitor ; Beato López, Juan Jesús ; Pérez de Landazábal Berganzo, José Ignacio ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (MDPI, 2017)
Artículo / Artikulua
In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg ... -
Effects of pump pulse extinction ratio in Brillouin optical time-domain analysis sensors
Iribas Pardo, Haritz ; Mariñelarena Ollacarizqueta, Jon ; Feng, Cheng; Urricelqui Polvorinos, Javier ; Schneider, Thomas; Loayssa Lara, Alayn (Optical Society of America, 2017)
Artículo / Artikulua
We report on two previously unknown non-local effects that have been found to impair Brillouin optical time-domain analysis (BOTDA) sensors that deploy limited extinction ratio (ER) pump pulses. The first one originates ... -
Spatial characterization of radio propagation channel in urban vehicle-to-infrastructure environments to support WSNs deployment
Granda, Fausto; Azpilicueta Fernández de las Heras, Leyre ; Vargas Rosales, César; López Iturri, Peio ; Aguirre Gallego, Erik ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2017)
Artículo / Artikulua
Vehicular ad hoc Networks (VANETs) enable vehicles to communicate with each other as well as with roadside units (RSUs). Although there is a significant research effort in radio channel modeling focused on vehicle-to-vehicle ... -
Challenges in wireless system integration as enablers for indoor context aware environments
López Iturri, Peio ; Aguirre Gallego, Erik ; Azpilicueta Fernández de las Heras, Leyre ; Astrain Escola, José Javier ; Villadangos Alonso, Jesús ; Falcone Lanas, Francisco Javier (MDPI, 2017)
Artículo / Artikulua
The advent of fully interactive environments within Smart Cities and Smart Regions requires the use of multiple wireless systems. In the case of user-device interaction, which finds multiple applications such as Ambient ... -
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 ...
