Browsing by UPNA Author "Arregui San Martín, Francisco Javier"
Now showing items 1-20 of 81
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Aluminum doped zinc oxide (AZO) coated optical fiber LMR refractometers—An experimental demonstration
Ozcariz Celaya, Aritz
; Piña-Azamar, Dafne A.; Ruiz Zamarreño, Carlos ; Dominguez, René; Arregui San Martín, Francisco Javier (Elsevier, 2019)
Artículo / Artikulua
This work presents the experimental demonstration of lossy mode resonance generation by means of aluminum doped zinc oxide thin-films. The use of such material may allow to optimize the performance of LMR-based sensors, ... -
Analysis of one-dimensional photonic band gap structures with a liquid crystal defect towards development of fiber-optic tunable wavelength filters
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Claus, Richard O. (Optical Society of America, 2003)
Artículo / Artikulua 
A theoretical analysis of a fiber optical photonic band gap based tunable wavelength filter is presented. The design presented here is based on the quarter wave reflector with a liquid crystal defect layer in the middle ... -
An antibacterial coating based on a polymer/sol-gel hybrid matrix loaded with silver nanoparticles
Rivero Fuente, Pedro J.; Urrutia Azcona, Aitor ; Goicoechea Fernández, Javier ; Ruiz Zamarreño, Carlos ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Springer, 2011)
Artículo / Artikulua
In this work a novel antibacterial surface composed of an organic-inorganic hybrid matrix of tetraorthosilicate and a polyelectrolyte is presented. A precursor solution of tetraethoxysilane (TEOS) and poly(acrylic acid ... -
Comparative study of layer-by-layer deposition techniques for poly(sodium phosphate) and poly (allylamine hydrochloride)
Elosúa Aguado, César; López Torres, Diego ; Hernáez Sáenz de Zaitigui, Miguel ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Springer, 2013)
Artículo / Artikulua
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 ... -
A comparative study of two different approaches for the incorporation of silver nanoparticles into layer-by-layer films
Rivero Fuente, Pedro J.; Goicoechea Fernández, Javier ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Springer, 2014)
Artículo / Artikulua
In this work, a comparative study about the incorporation of silver nanoparticles (AgNPs) into thin films is presented using two alternative methods, the in situ synthesis process and the layer-by-layer embedding deposition ... -
Comparison between capacitive and microstructured optical fiber soil moisture sensors
López Aldaba, Aitor; López Torres, Diego ; Campo-Bescós, Miguel ; López Rodríguez, José Javier ; Yerro Lizarazu, David; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel (MDPI, 2018)
Artículo / Artikulua
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; López Aldaba, Aitor ; Elosúa Aguado, César ; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel ; Arregui San Martín, Francisco Javier (MDPI, 2018)
Artículo / Artikulua
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 ... -
Contribución al desarrollo de refractómetros de fibra óptica basados en resonancias de modos con pérdidas
Sánchez Zábal, Pedro (2017)
Tesis doctoral / Doktoretza tesia
El desarrollo de nuevos materiales y métodos de deposición a escala nanométrica ha supuesto una auténtica revolución en muchas disciplinas de la investigación. En particular, los recubrimientos nanoestructurados permiten ... -
Contribution to the development of functional nanostructured coatings based on silver nanoparticles
Rivero Fuente, Pedro J. (2014)
Tesis doctoral / Doktoretza tesia
Esta tesis se centra en la síntesis de nanopartículas de plata (AgNPs) y su posterior incorporación en recubrimientos delgados usando dos métodos alternativos: el proceso de síntesis in situ (ISS) de AgNPs y la técnica de ... -
Contribution to the development of optical fibre sensors based on microstructured optical fibres to detect gases and volatile organic compounds
López Torres, Diego (2019)
Tesis doctoral / Doktoretza tesia
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 ... -
Deposition of an overlay with electrostactic self-assembly method in long period fiber gratings
Del Villar, Ignacio; Achaerandio, Miguel ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Optical Society of America, 2005)
Artículo / Artikulua
It was proved that the deposition of an overlay material onto a long-period fiber grating causes important shifts in the wavelengths of the typical attenuation bands that are caused by coupling between cladding and core ... -
Deposition of coatings on long-period fiber gratings: tunnel effect analogy
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Springer, 2006)
Artículo / Artikulua
The sensitivity of Long-period fiber gratings (LPFGs), coated with high-refractive-index thin film overlays, to the refractive index and the thickness of the overlay, and to the ambient refractive index, can be enhanced ... -
Design rules for lossy mode resonance based sensors
Del Villar, Ignacio; Hernáez Sáenz de Zaitigui, Miguel ; Ruiz Zamarreño, Carlos ; Sánchez Zábal, Pedro ; Fernández Valdivielso, Carlos ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (Optical Society of America, 2012)
Artículo / Artikulua
Lossy mode resonances can be obtained in the transmission spectrum of cladding removed multimode optical fiber coated with a thin-film. The sensitivity of these devices to changes in the properties of the coating or the ... -
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 ... -
Development of an aptamer based luminescent optical fiber sensor for the continuous monitoring of Hg2+ in aqueous media
Acha Morrás, Nerea de; Elosúa Aguado, César ; Arregui San Martín, Francisco Javier (MDPI, 2020)
Artículo / Artikulua
A fluorescent optical fiber sensor for the detection of mercury (Hg2+) ions in aqueous solutions is presented in this work. The sensor was based on a fluorophore-labeled thymine (T)-rich oligodeoxyribonucleotide (ON) ... -
Development of an in-fiber nanocavity towards detection of volatile organic gases
Elosúa Aguado, César; Matías Maestro, Ignacio ; Bariáin Aisa, Cándido ; Arregui San Martín, Francisco Javier (MDPI, 2006)
Artículo / Artikulua
A fiber optic sensor for Volatile Organic Compounds (VOCs) detection has been developed and characterized for some organic gasses. The sensor is based on a novel vapochromic material, which is able to change its optical ... -
Development of an optical refractometer by analysis of one-dimensional photonic bandgap structures with defects
Matías Maestro, Ignacio; Del Villar, Ignacio ; Arregui San Martín, Francisco Javier (Optical Society of America, 2003)
Artículo / Artikulua
A theoretical analysis of an optical fiber photonic-bandgap-based refractometer is presented. The design is based on a quarter-wave ref lector with one defect. By modifying both the real and the imaginary parts of the index ... -
Development of optical fiber humidity sensor based on silver nanoparticles-embedded coatings
Urrutia Azcona, Aitor (2015)
Tesis doctoral / Doktoretza tesia
El desarrollo de nuevos materiales y métodos de deposición a escala nanométrica ha supuesto una auténtica revolución en muchas disciplinas de la investigación. En particular, en el campo de los sensores de fibra óptica, ... -
Effect of both protective and reducing agents in the synthesis of multicolor silver nanoparticles
Rivero Fuente, Pedro J.; Goicoechea Fernández, Javier ; Urrutia Azcona, Aitor ; Arregui San Martín, Francisco Javier (Springer, 2013)
Artículo / Artikulua
In this paper, the influence of variable molar ratios between reducing and loading agents (1:100, 1:50, 1:20, 1:10, 1:5, 1:2, 1:1, 2:1) and between protective and loading agents (0.3:1, 0.75:1, 1.5:1, 3:1, 7.5:1, 30:1, ... -
Enhancement of sensitivity in long period fiber gratings with deposition of low refractive index materials
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Optical Society of America, 2005)
Artículo / Artikulua
It was proved [Opt. Lett. 30, 720 (2005)] that the deposition of an overlay of higher refractive index than that of the cladding on a long-period fiber grating (LPFG) causes large shifts in the attenuation bands induced by ...
