Browsing Comunicaciones y ponencias de congresos DIEE - IEES Biltzarretako komunikazioak eta txostenak by Issue Date
Now showing items 1-20 of 190
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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 ... -
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 ... -
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 -
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 ... -
Enhancement of signal-to-noise ratio in Brillouin optical time domain analyzers by dual-probe detection
Iribas Pardo, Haritz ; Loayssa Lara, Alayn ; Sauser, Florian; Llera, Miguel; Le Floch, Sébastien (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate a simple technique to enhance the signal-to-noise ratio (SNR) in Brillouin optical time-domain analysis sensors by the addition of gain and loss processes. The technique is based on the shift of the pump ... -
Detection of ethanol in human breath using optical fiber long period grating coated with metal-organic frameworks
Acha Morrás, Nerea de ; Hromadka, Jiri; Tokay, Begum; Correia, Ricardo; Elosúa Aguado, César ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Morgan, Stephen P.; Korposh, Sergiy (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
An optical fiber sensor for ethanol detection in exhaled breath has been developed. It has been fabricated by functionalizing a Long Period Grating with a metal-organic framework, ZIF-8. The sensor’s response was tested ... -
Title enhancement of the sensitivity of a volatile organic compounds MOF-sensor by means of its structure
López Torres, Diego ; López Aldaba, Aitor ; Elosúa Aguado, César ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel ; Arregui San Martín, Francisco Javier (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we experimentally compare several core structures of Microstructured Optical Fibers (MOFs) for low-finesse Fabry-Pérot (FP) sensors. These sensors are designed for Volatile Organic Compounds (VOCs) measurements. ... -
Etched and nanocoated SMS fiber sensor for detection of salinity concentration
Cardona-Maya, Yamile; Del Villar, Ignacio ; Socorro Leránoz, Abián Bentor ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Botero-Cadavid, Juan F. (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
An optical fibre refractometer has been developed by etching and deposition of a thin film of indium tin oxide (ITO) on a single-mode-multimode-single-mode (SMS) fibre structure. The interference between modes in this ... -
Monitoring the etching process in LPFGs towards development of highly sensitive sensors
Del Villar, Ignacio ; Cruz, José Luis; Socorro Leránoz, Abián Bentor ; Díaz Lucas, Silvia ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this work, the monitoring of the etching process up to a diameter of 30 µm of two LPFG structures has been compared, one of them had initially 125 µm, whereas the second one had 80 µm. By tracking the wavelength shift ... -
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 ... -
Brillouin optical time-domain analyzer for extended sensing range using probe dithering and cyclic coding
Iribas Pardo, Haritz ; Loayssa Lara, Alayn ; Sauser, Florian; Llera, Miguel; Le Floch, Sébastien (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
We present an enhanced performance Brillouin optical time-domain analysis sensor that uses dual probes waves with optical frequency modulation and cyclic coding. The frequency modulation serves to increase the probe power ... -
Characterization of near-ground radio propagation channel for wireless sensor network with application in smart agriculture
Klaina, Hicham; Alejos, Ana; Aghzout, Otman; Falcone Lanas, Francisco Javier (MDPI, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this contribution, we present a narrowband radio channel model for a scenario wherein the radio link operates under near-ground conditions, occurring on a ZigBee wireless sensor networks applied to smart agriculture. ... -
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 ... -
Detrimental effects in Brillouin distributed sensors caused by EDFA transient
Feng, Cheng; Iribas Pardo, Haritz ; Mariñelarena Ollacarizqueta, Jon ; Schneider, Thomas; Loayssa Lara, Alayn (Optical Society of AmericaIEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
We investigate the deleterious effect and the error in Brillouin optical time-domain analyzers induced by the combination of a low extinction ratio pulse generation with the transient behavior of erbium-doped fiber amplifiers. -
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 ... -
Second-order non-local effects mitigation in BOTDA sensors by tracking the BFS profile
Mompó Roselló, Juan José; Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate a technique to mitigate the residual second-order non-local effects in Brillouin optical time-domain analysis (BOTDA) sensors in which the Brillouin frequency shift (BFS) profile is not uniform along the ... -
Interferometric vs wavelength selective 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 (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this work, a preliminary study of the behavior of two different interferometric fiber optic sensors and two different wavelength selective fiber optic sensors is performed. A photonic cristal fiber Fabry-Pérot interferometer, ... -
Optical power-based interrogation of plasmonic tilted fiber Bragg grating biosensors
González Vila, Á.; López Aldaba, Aitor; Kinet, D.; Mégret, P.; López-Amo Sáinz, Manuel ; Caucheteur, C. (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
Two interrogation techniques for plasmonic tilted fiber Bragg grating sensors are reported and experimentally tested. Typical interrogation methods are usually based on tracking the wavelength shift of the most sensitive ... -
Polyaniline deposition on tilted fiber Bragg grating for pH sensing
López Aldaba, Aitor; González Vila, Á.; Debliquy, M.; López-Amo Sáinz, Manuel ; Caucheteur, C.; Lahem, D. (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, we present the results of a new pH sensor based on a polyaniline (PAni) coating on the surface of a tilted fiber Bragg grating. The pH-sensitive PAni was deposited by in situ chemical oxidative polymerization. ... -
Simultaneous temperature and vibration monitoring using an all-PM fiber loop mirror interferometer
Leandro González, Daniel ; López-Amo Sáinz, Manuel (SPIE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In this work, an all-polarization maintaining fiber loop mirror interferometer is presented and validated as vibration and temperature sensor without crosstalk between measurands. The system is entirely built using ...
