• 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 ...

• 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 ...

• Control strategy for an integrated photovoltaic-battery system 

  Urtasun Erburu, Andoni  ; Sanchis Gúrpide, Pablo  ; Marroyo Palomo, Luis   (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  

  In photovoltaic-battery systems, more attention is usually paid to the MPPT control while the battery management is put aside. This paper proposes two control strategies for an integrated PV-battery system, both of them ...

• Comparison of linear and and small-signal models for inverter-based microgrids 

  Urtasun Erburu, Andoni  ; Sanchis Gúrpide, Pablo  ; Marroyo Palomo, Luis   (IEEE, 2014)   Contribución a congreso / Biltzarrerako ekarpena  

  Frequency and voltage regulation in droop-based microgrids is generally modeled using small-signal analysis. In order to ensure accuracy, existing models do not decouple real and reactive power responses. However, the ...

• On the stability criteria for inverter current control loops with LCL output filters and varying grid impedance 

  Lumbreras Magallón, David  ; Barrios Rípodas, Ernesto  ; Ursúa Rubio, Alfredo  ; Marroyo Palomo, Luis  ; Sanchis Gúrpide, Pablo   (IEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  

  The use of LC and LCL filters and grid impedance variations are creating new challenges on the controller design for current control loops of photovoltaic and wind turbine inverters. In the design process, stability criteria ...

• Lithium-ion battery model and experimental validation 

  Berrueta Irigoyen, Alberto  ; Irigaray, Víctor; Sanchis Gúrpide, Pablo  ; Ursúa Rubio, Alfredo   (2015)   Contribución a congreso / Biltzarrerako ekarpena  

  A simple battery model is useful for: Sizing of the storage system for a particular application; Designing other elements connected to the battery; Managing the storage system operation. This poster consists on: Tests to ...

• Hydrogen-lithium energy storage for a stand-alone microgrid 

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

  Sizing of the storage system for a stand-alone application: Satisfaction of technical requirements; Based on real data from an experimental microgrid; Long lifetime; Lowest price

• Compensation of forecast error in large PV plants with battery storage: associated strategies 

  Marcos Álvarez, Javier  ; Parra Laita, Íñigo de la  ; Muñoz Escribano, Mikel ; García Solano, Miguel  ; Marroyo Palomo, Luis   (2017)   Contribución a congreso / Biltzarrerako ekarpena  

  As penetration rates of utility-scale photovoltaics (PV) increases, large PV plants will participate in the daily wholesale electricity market in the same way that wind farms. Then, PV plant owner can receive some kind of ...

• Static and dynamic characterization of a supercapacitor 

  Berrueta Irigoyen, Alberto  ; San Martín Biurrun, Idoia  ; Ursúa Rubio, Alfredo  ; Sanchis Gúrpide, Pablo   (2014)   Contribución a congreso / Biltzarrerako ekarpena  

  Supercapacitors (SCs) have recently received a major boost as a result of the development of multiple applications, such as the electric vehicle and electric microgrids. Storage systems consisting of SCs combined with ...

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