Browsing by Subject "Optical fiber sensor"
Now showing items 1-20 of 21
-
Compound lasing fiber optic ring resonators for sensor sensitivity enhancement
Rota Rodrigo, Sergio
; González Herráez, Miguel; López-Amo Sáinz, Manuel (IEEE / OSA, 2015)
Artículo / Artikulua 
In this work, a new method for increasing simultaneously the sensitivity and interrogation stability of fiberoptic intensity sensors is presented. The configuration is based on a double-coupler ring resonator. On one side, ... -
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 advanced structures for optical fiber lasers and sensors
Rota Rodrigo, Sergio (2015)
Tesis doctoral / Doktoretza tesia
Desde la irrupción de la fibra óptica en las telecomunicaciones, han surgido multitud de desarrollos basados en sus propiedades. Así, en las últimas décadas, la rápida evolución de los sistemas basados en fibra óptica, así ... -
Electric discharge detection and localization using a distributed optical fiber vibration sensor
Costa, Igor Brutkowski Vieira da; Weber, Guilherme Heim; Gomes, Danilo Fernandes; Galvão, José Rodolfo; Silva, Marco J. da; Pipa, Daniel R.; Ozcariz Celaya, Aritz; Ruiz Zamarreño, Carlos ; Martelli, Cicero; Silva, Jean Carlos Cardozo da (Elsevier, 2020)
Artículo / Artikulua
Partial discharges are a type of electric discharge that cause localized breakdowns in a small portion of an insulating material without forming a complete rupture. In high power electric machines as well as in transmission ... -
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 ... -
Estudio y desarrollo de recubrimientos nanoestructurados sobre fibra óptica para la detección de tensión eléctrica
(2020) Trabajo Fin de Grado/Gradu Amaierako LanaEl presente Trabajo Fin de Grado se centra en la investigación, caracterización y fabricación de recubrimientos mediante el empleo de materiales nanoestructurados y su posterior deposición sobre el núcleo de la fibra ... -
Gasohol quality control for real time applications by means of a multimode interference fiber sensor
Rodríguez Rodríguez, Adolfo Josué; Baldovino Pantaleón, Óscar; Cruz, René; Ruiz Zamarreño, Carlos; Matías Maestro, Ignacio ; May Arrioja, Daniel A. (MDPI, 2014)
Artículo / Artikulua
In this work we demonstrate efficient quality control of a variety of gasoline and ethanol (gasohol) blends using a multimode interference (MMI) fiber sensor. The operational principle relies on the fact that the addition ... -
Giant sensitivity of optical fiber sensors by means of lossy moderesonance
Arregui San Martín, Francisco Javier; Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Zubiate Orzanco, Pablo ; Matías Maestro, Ignacio (Elsevier, 2016)
Artículo / Artikulua
Here we show an optical refractometer with a giant sensitivity of 304,360 nm per refractive index unit(nm/RIU). This sensitivity corresponds to a resolution of 3.28 × 10−9RIU if a standard optical spectrumanalyzer with a ... -
An in-reflection strain sensing head based on a Hi-Bi photonic crystal fiber
Rota Rodrigo, Sergio; Rodrigues Pinto, Ana Margarida ; Bravo Acha, Mikel ; López-Amo Sáinz, Manuel (MDPI, 2013)
Artículo / Artikulua
A photonic crystal fiber-based sensing head is proposed for strain measurements. The sensor comprises a Hi-Bi PCF sensing head to measure interferometric signals in-reflection. An experimental background study of ... -
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, ... -
Layer-by-layer nano-assembly: a powerful tool for optical fiber sensing applications
Rivero Fuente, Pedro J.; Goicoechea Fernández, Javier ; Arregui San Martín, Francisco Javier (MDPI, 2019)
Artículo / Artikulua
The ability to tune the composition of nanostructured thin films is a hot topic for the design of functional coatings with advanced properties for sensing applications. The control of the structure at the nanoscale level ... -
Lossy mode resonance generation with indium tin oxide coated optical fibers for sensing applications
Del Villar, Ignacio; Ruiz Zamarreño, Carlos ; Hernáez Sáenz de Zaitigui, Miguel ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2010)
Artículo / Artikulua
Surface plasmon resonances and lossy mode resonances can be generated with Indium Tin Oxide (ITO) coated optical fibers. Both phenomena are analyzed and compared. Lossy mode resonances present important advantages: ... -
Micro-drilled optical fiber for enhanced laser strain sensors
Pérez Herrera, Rosa Ana; Bravo Acha, Mikel ; Roldán Varona, Pablo; Leandro González, Daniel ; Rodríguez Cobo, L.; López Higuera, José Miguel; López-Amo Sáinz, Manuel (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this work, we present an experimental measurement of temperature and strain sensitivities of a micro-drilled optical fiber (MDOF). The MDOF consisted of a quasi-randomly distributed reflector along a single mode fiber ... -
Multimode – coreless – multimode fiber-based sensors: theoretical and experimental study
San Fabián García, Noé; Socorro Leránoz, Abián Bentor ; Del Villar, Ignacio ; Díaz Lucas, Silvia ; Matías Maestro, Ignacio (IEEE, 2019)
Artículo / Artikulua
This paper presents a complete study on the spectral behavior of a multimode-coreless-multimode fiber-optic structure, as well as its application as a refractometer and a liquid level sensor. The combination of two standard ... -
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. ... -
Self-referenced optical fiber sensor for hydrogen peroxide detection based on LSPR of metallic nanoparticles in layer-by-layer films
Goicoechea Fernández, Javier; Rivero Fuente, Pedro ; Sada Oreja, Samuel; Arregui San Martín, Francisco Javier (MDPI, 2019)
Artículo / Artikulua
Intensity-based optical fiber sensors are one of the most studied sensor approaches thanks to their simplicity and low cost. Nevertheless, their main issue is their lack of robustness since any light source fluctuation, ... -
Sources of noise in Brillouin optical time-domain analyzers
Urricelqui Polvorinos, Javier; Soto, Marcelo A.; Thévenaz, Luc (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
This paper presents a thorough study of the different sources of noise affecting Brillouin optical time-domain analyzers (BOTDA), providing a deep insight into the understanding of the fundamental limitations of this kind ... -
Strategies for fabrication of hydrogen peroxide sensors based on electrostatic self-assembly (ESA) method
Del Villar, Ignacio; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier ; Echeverría Morrás, Jesús ; Claus, Richard O. (Elsevier, 2004)
Artículo / Artikulua
An optical fiber sensor has been fabricated for detection of 5 M–0.1mM concentrations of hydrogen peroxide with a linear response. The deposition method used is electrostatic self-assembly (ESA) of polymer cationic and ... -
Study of 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 (MDPI, 2017)
Artículo / Artikulua
In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg ... -
Volatile organic compound optical fiber sensors: a review
Elosúa Aguado, César; Matías Maestro, Ignacio ; Bariáin Aisa, Cándido ; Arregui San Martín, Francisco Javier (MDPI, 2006)
Artículo / Artikulua
Volatile organic compound (VOC) detection is a topic of growing interest with applications in diverse fields, ranging from environmental uses to the food or chemical industries. Optical fiber VOC sensors offering new and ...
