• Analysis and description of HOLTIN service provision for AECG monitoring in complex indoor environments 

  Led Ramos, Santiago  ; Azpilicueta Fernández de las Heras, Leyre  ; Aguirre Gallego, Erik  ; Martínez de Espronceda Cámara, Miguel  ; Serrano Arriezu, Luis Javier  ; Falcone Lanas, Francisco Javier   (MDPI Center, 2013)   Artículo / Artikulua  

  In this work, a novel ambulatory ECG monitoring device developed in-house called HOLTIN is analyzed when operating in complex indoor scenarios. The HOLTIN system is described, from the technological platform level to its ...

• Optical fiber refractometers based on sputtered indium tin oxide coatings 

  López, S.; Ruiz Zamarreño, Carlos  ; Hernáez, M.; Del Villar, Ignacio  ; Arregui San Martín, Francisco Javier  ; Matías Maestro, Ignacio   (IEEE, 2011)   Contribución a congreso / Biltzarrerako ekarpena  

  This work presents the fabrication of optical fiber refractometers based on indium tin oxide (ITO) coatings deposited by sputtering with response in the visible spectral region. ITO thin-films have been sputtered by ...

• SnO2 based optical fiber refractometers 

  Sánchez Zábal, Pedro  ; Ruiz Zamarreño, Carlos  ; Hernáez Sáenz de Zaitigui, Miguel  ; Del Villar, Ignacio  ; Matías Maestro, Ignacio  ; Arregui San Martín, Francisco Javier   (SPIE, 2012)   Contribución a congreso / Biltzarrerako ekarpena  

  In this work, the fabrication and characterization of refractometers based on lossy mode resonances (LMR) is presented. Tin dioxide (SnO2) films deposited on optical fibers are used as the LMR supporting coatings. These ...

• Optical fiber refractometers based on indium tin oxide coatings with response in the visible spectral region 

  Ruiz Zamarreño, Carlos  ; López, S.; Hernáez Sáenz de Zaitigui, Miguel  ; Del Villar, Ignacio  ; Matías Maestro, Ignacio  ; Arregui San Martín, Francisco Javier   (Elsevier, 2011)   Contribución a congreso / Biltzarrerako ekarpena  

  This work presents the fabrication of optical fiber refractometers based on indium tin oxide (ITO) coatings with response in the visible spectral region. ITO thin-films have been sputtered by employing a rotating mechanism ...

• Sensitivity enhancement by diameter reduction in low cutoff wavelength single-mode multimode singlemode (SMS) fiber sensors 

  Goñi Carnicero, Jaime ; Del Villar, Ignacio  ; Arregui San Martín, Francisco Javier  ; Matías Maestro, Ignacio   (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  

  Two different low cutoff wavelength single-mode fibers were used in single-mode multimode single-mode (SMS) configuration with the aim of designing sensors operating at short wavelengths, where optical sources and spectrometers ...

• All fiber interferometer for ice detection 

  Arozarena Arana, Jesús Antonio; Socorro Leránoz, Abián Bentor  ; Del Villar, Ignacio  ; Díaz Lucas, Silvia  ; Matías Maestro, Ignacio   (Optica Publishing Group, 2018)   Contribución a congreso / Biltzarrerako ekarpena  

  This work presents an etched single-mode - multimode - single-mode structure that detects the solid-to-liquid change of state of the water due to an increased refractive index sensitivity within the 1.308 - 1.321 RIU range

• Fiber-optic immunosensor based on lossy mode resonances induced by indium tin oxide thin-films 

  Socorro Leránoz, Abián Bentor  ; Del Villar, Ignacio  ; Corres Sanz, Jesús María  ; Arregui San Martín, Francisco Javier  ; Matías Maestro, Ignacio   (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  

  A novel immunosensor based on lossy mode resonances (LMRs) induced in optical fibers is developed in this contribution. Indium tin oxide (ITO) is sputtered on the optical substrate to generate an LMR in the transmission ...

• Towards personal privacy control 

  Alcalde Bagüés, Susana ; Zeidler, Andreas; Fernández Valdivielso, Carlos ; Matías Maestro, Ignacio   (Springer, 2007)   Contribución a congreso / Biltzarrerako ekarpena  

  In this paper we address the realization of personal privacy control in the era of pervasive computing. How could an individual meet his/her expected level of privacy? how could the system guaranty that a user privacy ...

• Asymmetrically and symmetrically coated tapered optical fiber for sensing applications 

  Del Villar, Ignacio  ; Socorro Leránoz, Abián Bentor  ; Corres Sanz, Jesús María  ; Arregui San Martín, Francisco Javier  ; Matías Maestro, Ignacio   (SPIE, 2015)   Contribución a congreso / Biltzarrerako ekarpena  

  The deposition of a non-metallic thin-film in a symmetrically coated tapered optical fiber leads to the generation of resonances due to guidance of a mode in the thin-film. At certain conditions, the resonances overlap ...

• A comparative study between SMS interferometers and lossy mode resonace optical fiber devices for sensing applications 

  Socorro Leránoz, Abián Bentor  ; Hernáez Sáenz de Zaitigui, Miguel  ; Del Villar, Ignacio  ; Corres Sanz, Jesús María  ; Arregui San Martín, Francisco Javier  ; Matías Maestro, Ignacio   (SPIE, 2015)   Contribución a congreso / Biltzarrerako ekarpena  

  Optical fiber sensors are of great interest due to their intrinsic advantages over electronic sensors. In this work, the sensing characteristics of two different and novel optical fiber devices are compared, after ...

• A user-centric privacy framework for pervasive environments 

  Alcalde Bagüés, Susana ; Zeidler, Andreas; Fernández Valdivielso, Carlos; Matías Maestro, Ignacio   (Springer, 2006)   Contribución a congreso / Biltzarrerako ekarpena  

  One inherent feature of pervasive computing environments is the need to gather and process context information about real persons. Unfortunately, this unavoidably affects persons¿ privacy to a large degree. Each time ...

• Arrangements of via-holes in microstrip lines as metallodielectric periodic structures 

  Gómez Laso, Miguel Ángel  ; Lopetegui Beregaña, José María; Bacaicoa, Miguel; Hernández, Jorge; Gonzalo García, Ramón  ; Sorolla Ayza, Mario  (Wiley, 2000)   Artículo / Artikulua  

  In this paper, the use of via holes in microstrip lines to design periodic structures that can be regarded as metallodielectric electromagnetic crystals is analyzed. The proposed novel periodic structures achieve a notably ...

• Design of multi-layered radiative cooling structures using evolutionary algorithms 

  Lezaun Capdevila, Carlos; Jorajuría, Tania; Torres García, Alicia E.  ; Herrera, Pilar; Beruete Díaz, Miguel   (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  

  In this work we present a novel way to design thinfilm radiative cooling metamaterials based on genetic algorithms. Three simulations with different design constraints have been done, resulting in three structures that ...

• Enhancing the infrared and visible emission properties of calcium silicate hydrate for radiative cooling using metamaterials 

  Lezaun Capdevila, Carlos; Dolado, J. S.; Torres García, Alicia E.  ; Pérez Escudero, José Manuel  ; Liberal Olleta, Íñigo  ; Beruete Díaz, Miguel   (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  

  Two periodic structures composed of metal cylinders with different orientations are used to improve the solar reflection of calcium silicate hydrate (CSH) while maintaining its atmospheric emission. Interesting effects ...

• Comparison of State-of-Charge estimation methods for stationary Lithium-ion batteries 

  Berrueta Irigoyen, Alberto  ; San Martín Biurrun, Idoia  ; Sanchis Gúrpide, Pablo  ; Ursúa Rubio, Alfredo   (IEEE, 2016)   Contribución a congreso / Biltzarrerako ekarpena  

  An accurate monitoring of the State of Charge (SoC) is mandatory for an efficient management of a Lithium-ion battery. Batteries of stationary systems barely have long resting periods when the cumulative errors can be ...

• Electronic controlled device for the analysis and design of photovoltaic systems 

  Sanchis Gúrpide, Pablo  ; López Taberna, Jesús  ; Ursúa Rubio, Alfredo  ; Marroyo Palomo, Luis   (IEEE, 2005)   Artículo / Artikulua  

  The characterization and design of photovoltaic systems is a difficult issue due to the variable operation atmospheric conditions. With this aim, simulators and measurement equipments have been proposed. However, most of ...

• Boost DC-AC inverter: a new control strategy 

  Sanchis Gúrpide, Pablo  ; Ursúa Rubio, Alfredo  ; Gubía Villabona, Eugenio  ; Marroyo Palomo, Luis   (IEEE, 2005)   Artículo / Artikulua  

  Boost dc–ac inverter naturally generates in a single stage an ac voltage whose peak value can be lower or greater than the dc input voltage. The main drawback of this structure deals with its control. Boost inverter ...

• Design methodology for the frequency shift method of islanding prevention and analysis of its detection capability 

  Sanchis Gúrpide, Pablo  ; Marroyo Palomo, Luis  ; Coloma, Javier (Wiley, 2005)   Artículo / Artikulua  

  Islanding protection is one of the most important sources of discrepancy in gridconnected photovoltaic systems. Even when islanding is not very likely to happen, regulations demand the photovoltaic inverters to implement ...

• Electro-thermal modelling of a supercapacitor and experimental validation 

  Berrueta Irigoyen, Alberto  ; San Martín Biurrun, Idoia  ; Hernández, Andoni; Ursúa Rubio, Alfredo  ; Sanchis Gúrpide, Pablo   (Elsevier, 2014)   Artículo / Artikulua  

  This paper reports on the electro-thermal modelling of a Maxwell supercapacitor (SC), model BMOD0083 with a rated capacitance of 83 F and rated voltage of 48 V. One electrical equivalent circuit was used to model the ...

• Methodology for sizing stand-alone hybrid systems: a case study of a traffic control system 

  San Martín Biurrun, Idoia  ; Berrueta Irigoyen, Alberto  ; Sanchis Gúrpide, Pablo  ; Ursúa Rubio, Alfredo   (Elsevier, 2018)   Artículo / Artikulua  

  This paper proposes a methodology for sizing stand-alone hybrid photovoltaic-wind power generation systems. This methodology makes it possible to optimise the overall performance of the stand-alone system components, based ...

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