Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por título
Mostrando ítems 446-465 de 648
-
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 ... -
Optimization of a pin surface as a solution to suppress cavity modes in a packaged W-band microstrip receiver
Rebollo Mugueta, Ainara; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo (IEEE, 2014)
Artículo / Artikulua
A pin surface structure has been used in the upper metal plate of a packaged W-band RF front-end receiver in order to suppress the propagation of unwanted modes. A full parametric analysis of the periodic structure within ... -
Optimization of sensitivity in long period fiber gratings with overlay deposition
Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Lalanne, Philippe (Optical Society of America, 2005)
Artículo / Artikulua
The deposition of an overlay of higher refractive index than the cladding in a Long Period Fiber Grating (LPFG) permits to improve the sensitivity to ambient refractive index changes in a great manner. When the overlay is ... -
Optimization of sensors based on multimode interference in single-mode–multimode– single-mode structure
Del Villar, Ignacio ; Socorro Leránoz, Abián Bentor ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2013)
Artículo / Artikulua
By coating a single-mode–multimode–single-mode (SMS) structure with a complex refractive index thin-film the central wavelength of the transmission and attenuation bands of the optical spectrum can be shifted. By adequate ... -
Optimization of the available spectrum of a WDM sensors network using a mode locked laser
Fernández Vallejo, Montserrat; Ardanaz, Diego; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua
This work experimentally proposes a new interrogation method which consists on the combination of the information given by both domains: time and frequency. On the one hand, the sensor information is obtained in the frequency ... -
Optimized antenna system for low power testing of the quasioptical transmission line at TJ-II experiment
Sorolla Ayza, Mario; Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sánchez Corpas, Alberto ; Martín, Romualdo; Fernández, Ángela; Cepero, José R.; Likin, Konstantin M.; Sarksyan, Karen (1996)
Contribución a congreso / Biltzarrerako ekarpena
In this paper we present a high performance antenna system to carry out low power testing of the main parameters of the quasioptical transmission line system for Electron Cyclotron Resonance Heating (ECRH) at TJ-II ... -
Optimized feedhorn designs for compact antenna test range at Limoges University
Teniente Vallinas, Jorge ; Arnaud, Eric; Gonzalo García, Ramón ; Río Bocio, Carlos del (IEEE, 2006)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, high technology optimized feedhorn designs are presented. These feedhorns have been designed to improve the quite zone size and behaviour at the Compact Antenna Test Range (CATR) of the Antenna Research ... -
An optimized method based on digitalized Lissajous curve to determine lifetime of luminescent materials on optical fiber sensors
Ridruejo Muro, Adrián; Acha Morrás, Nerea de ; Elosúa Aguado, César ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Hindawi, 2016)
Artículo / Artikulua
A method is proposed to determine lifetime of luminescent emissions based on the phase shift measurement employing the digitalized Lissajous representation: this diagram has been typically used with analogical algorithms, ... -
Optimized strain long-period fiber grating (LPFG) sensors operating at the dispersion turning point
Del Villar, Ignacio ; Fuentes Lorenzo, 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 ... -
Optimized wireless channel characterization in large complex environments by hybrid ray launching-collaborative filtering approach
Casino, Fran; Azpilicueta Fernández de las Heras, Leyre ; López Iturri, Peio ; Aguirre Gallego, Erik ; Falcone Lanas, Francisco ; Solanas, Agustí (IEEE, 2017)
Artículo / Artikulua
Simulation techniques based on deterministic methods such as Ray Tracing and Ray Launching, are widely used to perform radioplanning tasks. However, the quality of the simulations depends on the number of rays and the ... -
Optimizing interoperability between video-oculographic and electromyographic systems
Navallas Irujo, Javier ; Ariz Galilea, Mikel ; Villanueva Larre, Arantxa ; San Agustín, Javier; Cabeza Laguna, Rafael (Rehabilitation Research & Development Service, 2011)
Artículo / Artikulua
A new system is presented that enhances the interoperability between a video-oculographic (VOG) system for mouse movement control and an electromyographic (EMG) system for mouse click detection. The proposed VOG-EMG system ... -
Optimum horn antennas for high order mode beam waveguides
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario ; Thumm, Manfred (1995)
Contribución a congreso / Biltzarrerako ekarpena
Higher order free space modes can be considered as serious candidates for power millimeter wave transmission in advanced material processing by using medium power CW gyrotrons. These modes can be propagated in a beam ... -
Optomagnonics in dispersive media: magnon-photon coupling enhancement at the epsilon-near-zero frequency
Bittencourt, V.A.S.V.; Liberal Olleta, Íñigo ; Viola Kusminskiy, Silvia (American Physical Society, 2022)
Artículo / Artikulua
Reaching strong light-matter coupling in solid-state systems has long been pursued for the implementation of scalable quantum devices. Here, we put forward a system based on a magnetized epsilon-near-zero (ENZ) medium, and ... -
Orthogonally polarized optical single sideband modulation for microwave photonics processing using stimulated Brillouin scattering
Sagüés García, Mikel ; Loayssa Lara, Alayn (Optical Society of America, 2010)
Artículo / Artikulua
We present a novel technique to generate orthogonally polarized optical single sideband modulated signals. The modulation scheme is based on all optical stimulated Brillouin scattering processing of the optical carrier of ... -
Overcoming non-local effects and Brillouin threshold limitations in Brillouin distributed sensors
Urricelqui Polvorinos, Javier ; Ruiz Lombera, Rubén; Sagüés García, Mikel ; Mirapeix, Jesús; López Higuera, José Miguel; Loayssa Lara, Alayn (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate, for the first time to our knowledge, a Brillouin optical time domain analysis sensor that is able to operate with a probe power larger than the Brillouin threshold of the deployed sensing fiber and that ... -
Overcoming non-local effects and Brillouin threshold limitations in Brillouin optical time domain sensors
Ruiz Lombera, Rubén; Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Mirapeix, Jesús; López Higuera, José Miguel; Loayssa Lara, Alayn (IEEE, 2015)
Artículo / Artikulua
We demonstrate, for the first time to our knowledge, a Brillouin optical time domain analysis (BOTDA) sensor that is able to operate with a probe power larger than the Brillouin threshold of the deployed sensing fiber ... -
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 ... -
Parametric study of pin surface used to suppress undesired modes in a packaged W-band microstrip receiver
Rebollo Mugueta, Ainara; Maestrojuán Biurrun, Itziar ; Larumbe Gonzalo, Belén ; Gonzalo García, Ramón ; Ederra Urzainqui, Íñigo (IEEE, 2013)
Contribución a congreso / Biltzarrerako ekarpena
A pin surface structure has been used in order to suppress undesired modes in a packaged W-band RF front-end receiver. A parametric analysis has been carried out in order to determine the optimum dimensions. Resonances ... -
Paraxiality considerations of higher order gaussian modes
Río Bocio, Carlos del ; Gonzalo García, Ramón ; Sorolla Ayza, Mario (1996)
Contribución a congreso / Biltzarrerako ekarpena
Frequently, gaussian modes are used as free space wave equation solutions. This is not true since they are obtained assuming certain paraxial character in them. In this paper, we present an original study of the condition ... -
Passive microwave component design using inverse scattering: theory and applications
Arnedo Gil, Israel ; Arregui Padilla, Iván ; Chudzik, Magdalena ; Teberio Berdún, Fernando ; Lujambio Genua, Aintzane ; Benito Pertusa, David ; Lopetegui Beregaña, José María ; Gómez Laso, Miguel Ángel (Hindawi, 2013)
Artículo / Artikulua
We briefly review different synthesis techniques for the design of passive microwave components with arbitrary frequency response, developed by our group during the last decade. We provide the theoretical foundations based ...
