Browsing by UPNA Author "Arregui San Martín, Francisco Javier"
Now showing items 1-20 of 63
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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 José; 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 José; 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 Ángel ; 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 ... -
Contribución al desarrollo de refractómetros de fibra óptica basados en resonancias de modos con pérdidas
(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 José (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 ... -
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 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 José; 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 ... -
ESA-based in-fiber nanocavity for hydrogen–peroxide detection
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Claus, Richard O. (IEEE, 2005)
Artículo / Artikulua
A fiber-optic sensor sensitive to hydrogen peroxide has been designed based on the electrostatic layer-by-layer selfassembly method. Prussian blue has been deposited in a polymeric structure formed by Poly(allylamine ... -
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 ... -
Fabrication of Bragg gratings on the end facet of standard optical fibers by sputtering the same material
Ascorbe Muruzabal, Joaquín; Corres Sanz, Jesús María ; del Villar, Ignacio ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2016)
Artículo / Artikulua
A sputtering process has been applied to deposit quarter-wavelength stacks on the end facet of cleaved optical fibers by using only one sputtering target. Standard multimode optical fibers were used as substrates to fabricate ... -
A fiber optic ammonia sensor using a universal pH indicator
Rodríguez Rodríguez, Adolfo Josué; Ruiz Zamarreño, Carlos; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Cruz, René; May Arrioja, Daniel A. (MDPI, 2014)
Artículo / Artikulua
A universal pH indicator is used to fabricate a fiber optic ammonia sensor. The advantage of this pH indicator is that it exhibits sensitivity to ammonia over a broad wavelength range. This provides a differential response, ...
