Now showing items 1-20 of 25

    • Comparative study of layer-by-layer deposition techniques for poly(sodium phosphate) and poly (allylamine hydrochloride) 

      Elosúa Aguado, César Upna Orcid; López Torres, Diego Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Springer, 2013)   Artículo / Artikulua  OpenAccess
      An inorganic short chain polymer, poly(sodium phosphate), PSP, together with poly(allylamine hydrochloride), PAH, is used to fabricate layer-by-layer (LbL) films. The thickness, roughness, contact angle, and optical ...
    • Comparison between capacitive and microstructured optical fiber soil moisture sensors 

      López Aldaba, Aitor Upna; López Torres, Diego Upna Orcid; Campo-Bescós, Miguel Upna Orcid; López Rodríguez, José Javier Upna Orcid; Yerro Lizarazu, David; Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      Soil moisture content has always been an important parameter to control because it is a deterministic factor for site-specific irrigation, seeding, transplanting, and compaction detection. In this work, a discrete sensor ...
    • Comparison between different structures of suspended-core microstructured optical fibers for volatiles sensing 

      López Torres, Diego Upna Orcid; López Aldaba, Aitor Upna; Elosúa Aguado, César Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2018)   Artículo / Artikulua  OpenAccess
      In this paper, different core structures of microstructured optical fibers (MOFs) for low-finesse Fabry-Perot (FP) sensors are experimentally compared to get the highest sensitivity. These devices are designed for volatile ...
    • Contribution to the development of optical fibre sensors based on microstructured optical fibres to detect gases and volatile organic compounds 

      López Torres, Diego Upna Orcid (2019)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Desde la primera publicación relacionada con las fibras micro estructuradas (MOFs), el desarrollo de sensores basados en fibra óptica (OFSs), que utilizan este tipo de fibras, se ha visto incrementado atrayendo el interés ...
    • Enhancement of the sensitivity of a volatile organic compounds MOF sensor by means of its structure 

      López Torres, Diego Upna Orcid; López Aldaba, Aitor Upna; Elosúa Aguado, César Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      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. ...
    • Enhancing sensitivity of photonic crystal fiber interferometric humidity sensor by the thickness of SnO2 thin films 

      López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Villatoro, Joel; Zubia, Joseba; Rothhardt, Manfred; Schuster, Kay; Arregui San Martín, Francisco Javier Upna Orcid (Elsevier, 2017)   Artículo / Artikulua
    • Fiber-optic lossy mode resonance sensors 

      Arregui San Martín, Francisco Javier Upna Orcid; Del Villar, Ignacio Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Elosúa Aguado, César Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; López Torres, Diego Upna Orcid; Acha Morrás, Nerea de Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Elsevier, 2014)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ...
    • From fundamental materials chemistry to sensing applications: unravelling the water adsorption mechanism of a luminescent optical fibre sensor membrane 

      Cruz Quesada, Guillermo Upna Orcid; Rosales Reina, Beatriz; López Torres, Diego Upna Orcid; Reinoso, Santiago Upna Orcid; López Ramón, María Victoria; Arzamendi Manterola, María Cruz Upna Orcid; Elosúa Aguado, César Upna Orcid; Espinal Viguri, Maialen Upna Orcid; Garrido Segovia, Julián José Upna Orcid (Elsevier, 2024)   Artículo / Artikulua  OpenAccess
      This work provides insight into the correlation between the luminescent response of a water-vapour optical fibre sensor and the textural properties of its lanthanide-doped silica coating. To this end, a library of 16 silica ...
    • From superhydrophilic to superhydrophobic surfaces by means of polymeric Layer-by-Layer films 

      López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (Elsevier, 2015)   Artículo / Artikulua
    • Humidity, gas, and volatile organic compound sensors 

      Elosúa Aguado, César Upna Orcid; López Torres, Diego Upna Orcid (Wiley, 2020)   Capítulo de libro / Liburuen kapitulua
    • Micro and nanostructured materials for the development of optical fibre sensors 

      Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Del Villar, Ignacio Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Bariáin Aisa, Cándido Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; López Torres, Diego Upna Orcid; Acha Morrás, Nerea de Upna Orcid; Ascorbe Muruzabal, Joaquín Upna Orcid; Ozcariz Celaya, Aritz Upna Orcid; Matías Maestro, Ignacio Upna Orcid (MDPI, 2017)   Artículo / Artikulua  OpenAccess
      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 ...
    • Microstructured optical fiber sensor for soil moisture measurements 

      López Aldaba, Aitor Upna; López Torres, Diego Upna Orcid; Campo-Bescós, Miguel Upna Orcid; López Rodríguez, José Javier Upna Orcid; Yerro Lizarazu, David; Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (Optical Society of America, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A discrete sensor based on a Sn0₂-FP (Fabry-Pérot) cavity is presented and characterized in real soil conditions. Results are compared, for the first time to our knowledge, with a commercial capacitive sensor and gravimetric ...
    • A nanocomposite sol-gel film based on PbS quantum dots embedded into an amorphous host inorganic matrix 

      Mihail, Elisa; Sava, Bogdan Alexandru; Eftimie, Mihai; Nicoara, Adrian Ionut; Vasiliu, Ileana Cristina; Rusu, Madalin Ion; Bartha, Cristina; Enculescu, Monica; Kuncser, Andrei Cristian; Oane, Mihai; Elosúa Aguado, César Upna Orcid; López Torres, Diego Upna Orcid (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      In this study, a sol-gel film based on lead sulfide (PbS) quantum dots incorporated into a host network was synthesized as a special nanostructured composite material with potential applications in temperature sensor ...
    • Nanostructured PbS-doped inorganic film synthesized by sol-gel route 

      Nicoara, Adrian Ionut; Eftimie, Mihai; Elisa, Mihail; Vasiliu, Ileana Cristina; Bartha, Cristina; Enculescu, Monica; Filipescu, Mihaela; Elosúa Aguado, César Upna Orcid; López Torres, Diego Upna Orcid; Sava, Bogdan Alexandru; Oane, Mihai (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      IV-VI semiconductor quantum dots embedded into an inorganic matrix represent nanostructured composite materials with potential application in temperature sensor systems. This study explores the optical, structural, and ...
    • Optical fiber sensors based on microstructured optical fibers to detect gases and volatile organic compounds: a review 

      López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Since the first publications related to microstructured optical fibers (MOFs), the development of optical fiber sensors (OFS) based on them has attracted the interest of many research groups because of the market niches ...
    • Optical sensors based on lossy-mode resonances 

      Matías Maestro, Ignacio Upna Orcid; Ascorbe Muruzabal, Joaquín Upna Orcid; Acha Morrás, Nerea de Upna Orcid; López Torres, Diego Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; Sánchez Zábal, Pedro Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Socorro Leránoz, Abián Bentor Upna Orcid; Rivero Fuente, Pedro J. Upna Orcid; Hernáez Sáenz de Zaitigui, Miguel Upna Orcid; Elosúa Aguado, César Upna Orcid; Goicoechea Fernández, Javier Upna Orcid; Bariáin Aisa, Cándido Upna Orcid; Corres Sanz, Jesús María Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Del Villar, Ignacio Upna Orcid (Elsevier Science, 2017)   Artículo / Artikulua
    • Photonic crystal fiber interferometer coated with a PAH/PAA nanolayer as humidity sensor 

      López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Villatoro, Joel; Zubia, Joseba; Rothhardt, Manfred; Schuster, Kay; Arregui San Martín, Francisco Javier Upna Orcid (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: ...
    • Piezotronic, ZnO overlaid Bragg grating organic vapor sensors 

      López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Pappas, Georgios A.; Konstantaki, María; Klini, Argyro; Lappas, Alexandros; Arregui San Martín, Francisco Javier Upna Orcid; Pissadakis, Stavros (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      We present a zinc oxide (ZnO) out-cladding, overlaid optical fiber Bragg grating sensor, for the detection of vapors of common alcohols and acetone at concentrations lower than 25 ppm while operating at room temperature ...
    • Real time measuring system of multiple chemical parameters using microstructured optical fibers based sensors 

      López Aldaba, Aitor Upna; López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (IEEE, 2018)   Artículo / Artikulua  OpenAccess
      In this paper, a multiplexing system for simultaneous interrogation of optical fiber sensors which measure different parameters is presented and validated. The whole system has been tested with 6 different sensing heads ...
    • Relative humidity multi-point optical sensors system based on Fast Fourier multiplexing technique 

      López Aldaba, Aitor Upna; López Torres, Diego Upna Orcid; Elosúa Aguado, César Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; Arregui San Martín, Francisco Javier Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, a new multipoint optical fiber system for relative humidity measurements based on Sn02-FP (Fabry-Pérot) sensing heads and an optical interrogator as single active device is presented and characterized. The ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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