Listar por tema "Optical fiber sensors"
Mostrando ítems 1-20 de 42
-
Advances in fiber optic DNA-based sensors: a review
Santano, Desiree
; Urrutia Azcona, Aitor ; Ruiz Zamarreño, Carlos ; Del Villar, Ignacio (IEEE, 2021)
Artículo / Artikulua 
DNA is becoming increasingly important in the domain of optical fiber sensors, either as a tool for biosensing, or as a target to detect. In this review the main contributions of the last years are presented both in the ... -
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 -
All-PM fiber loop mirror interferometer analysis and simultaneous measurement of temperature and mechanical vibration
Leandro González, Daniel ; López-Amo Sáinz, Manuel (IEEE, 2018)
Artículo / Artikulua
In this work, a new all-polarization maintaining (PM) fiber loop mirror interferometer is proposed and validated as temperature and mechanical vibration sensor. The scheme employs the arms of a PM coupler as communication ... -
A comparative study between SMS interferometers and lossy mode resonace optical fiber devices for sensing applications
Socorro Leránoz, Abián Bentor ; Hernáez Sáenz de Zaitigui, Miguel ; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
Optical fiber sensors are of great interest due to their intrinsic advantages over electronic sensors. In this work, the sensing characteristics of two different and novel optical fiber devices are compared, after ... -
A comparative study in the sensitivity of optical fiber refractometers based on the incorporation of gold nanoparticles into layer-by-layer films
Rivero Fuente, Pedro J. ; Hernáez Sáenz de Zaitigui, Miguel ; Goicoechea Fernández, Javier ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Exeley, 2015)
Artículo / Artikulua
In this work, optical fiber refractometers based on the successive incorporation of gold nanoparticles have been fabricated by means of the Layer-by-Layer Embedding (LbL-E) deposition technique. This enables the apparition ... -
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 ... -
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 ... -
Etched and nanocoated single-mode multimode single-mode (SMS) fibers for detection of wind turbine gearbox oil degradation
Del Villar, Ignacio ; Goñi Carnicero, Jaime ; Vicente Gómara, Adrián ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2019)
Artículo / Artikulua
The application of an etching process in a single-mode multimode single-mode (SMS) fiber allows monitoring the change of refractive index of wind turbine gearbox oil due to temperature and degradation with a limitation at ... -
Fabrication of long period gratings by periodically removing the coating of cladding-etched single mode optical fiber towards optical fiber sensor development
Ascorbe Muruzabal, Joaquín ; Corres Sanz, Jesús María ; Del Villar, Ignacio ; Matías Maestro, Ignacio (MDPI, 2018)
Artículo / Artikulua
Here, we present a novel method to fabricate long period gratings using standard single mode optical fibers (SMF). These optical devices were fabricated in a three-step process, which consisted of etching the SMF, then ... -
Gamma radiation-induced effects over an optical fiber laser: towards new sensing applications
Pérez Herrera, Rosa Ana ; Stancalie, Andrei; Cabezudo Sánchez-Valverde, Pablo Miguel; Sporea, Dan; López-Amo Sáinz, Manuel (MDPI, 2020)
Artículo / Artikulua
In the present work, the effect of gamma radiation on the performance of different types of erbium-doped fibers (EDFs) when they are used in a fiber ring cavity (FRC) configuration is studied. Several pieces of commercial ... -
Gas detection using LMR-based optical fiber sensors
Dreyer, Uilian José; Ozcariz Celaya, Aritz ; Ascorbe Muruzabal, Joaquín ; Zubiate Orzanco, Pablo ; Vitoria Pascual, Ignacio ; Martelli, Cicero; Cardozo da Silva, Jean Carlos; Ruiz Zamarreño, Carlos (MDPI, 2018)
Artículo / Artikulua
This work presents a first approach to the utilization of Lossy Mode Resonance (LMR) based optical fiber sensors for gas detection. The optical sensor is based on a SnO2 thin-film fabricated onto the core of cladding ... -
Generation of lossy mode resonances by deposition of high-refractive-index coatings on uncladded multimode optical fibers
Del Villar, Ignacio ; Ruiz Zamarreño, Carlos ; Sánchez Zábal, Pedro ; Hernáez Sáenz de Zaitigui, Miguel ; Fernández Valdivielso, Carlos ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IOP Publishing Ltd, 2010)
Artículo / Artikulua
A comparative study of lossy mode resonances generated by depositing two different materials is presented. The two materials selected are indium tin oxide (ITO) and indium oxide. The two materials present different ... -
Generation of selective fringes with cascaded long-period gratings
Del Villar, Ignacio ; Achaerandio, Miguel ; Arregui San Martín, Francisco Javier ; Matías Maestro, Ignacio (IEEE, 2006)
Artículo / Artikulua
The inscription of cascaded long-period gratings of different periods in optical fiber permits us to obtain both narrowband and wideband filters in the same spectrum. If used as an optical transducer, it may permit us ... -
Influence in cladding mode distribution of overlay deposition on long-period fiber gratings
Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (Optical Society of America, 2006)
Artículo / Artikulua
A thin overlay of higher refractive index than that of the cladding of a long-period fiber grating induces in cladding modes strong variations in effective index, mode profile, cross-coupling coefficient with the core ... -
Liquid level sensor based on dynamic Fabry–Perot interferometers in processed capillary fiber
Roldán Varona, Pablo; Pérez Herrera, Rosa Ana ; Rodríguez Cobo, Luis; Reyes González, Luis; López-Amo Sáinz, Manuel (Springer Nature, 2021)
Artículo / Artikulua
In this work, a novel optical fiber sensor capable of measuring both the liquid level and its refractive index is designed, manufactured and demonstrated through simulations and experimentally. For this, a silica capillary ... -
Long period fiber gratings with overlay of variable refractive index
Del Villar, Ignacio ; Matías Maestro, Ignacio ; Arregui San Martín, Francisco Javier (IEEE, 2005)
Artículo / Artikulua
A theoretical analysis is presented of a long-period fiber grating (LPFG) with an overlay of variable refractive index. The highest sensitivity of the resonance wavelengths to variations in the refractive index of the ... -
Materials for the fabrication of optical fiber refractometers based on lossy mode resonance
Ozcariz Celaya, Aritz (2020)
Tesis doctoral / Doktoretza tesia
Lossy mode resonances (LMR) have been studied as an exceptional phenomenon for the development of optical fiber refractometers. These sensors rely on the interaction of the light propagating through the waveguide with a ...
