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Listar por autor "Barrera Vilar, David"

Mostrando ítems 1-20 de 54

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A high-temperature fiber sensor using a low cost interrogation scheme

Barrera Vilar, David; Sales Maicas, Salvador (MDPI, 2013-09)

Regenerated Fibre Bragg Gratings have the potential for high-temperature monitoring. In this paper, the inscription of Fibre Bragg Gratings (FBGs) and the later regeneration process to obtain Regenerated Fiber Bragg Gratings ...
All-Optical Fiber Hanbury Brown & Twiss Interferometer to study 1300 nm single photon emission of a metamorphic InAs Quantum Dot

Muñoz Matutano, Guillermo; Barrera Vilar, David; Fernandez-Pousa, C. R.; Chulia-Jordan, R.; Seravalli. L.; Trevisi, G.; Frigeri, P.; Sales Maicas, Salvador; Martinez-Pastor, J. (Nature Publishing Group, 2016)

[EN] New optical fiber based spectroscopic tools open the possibility to develop more robust and efficient characterization experiments. Spectral filtering and light reflection have been used to produce compact and versatile ...
An Interrogation Technique of FBG Cascade Sensors Using Wavelength to Radio-Frequency Delay Mapping

Hervás Peralta, Javier; Fernandez-Pousa, C.R.; Barrera Vilar, David; Pastor Abellán, Daniel; Sales Maicas, Salvador; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2015-06-01)

A technique is proposed to interrogate a distributed photonic sensor composed of seven standard fiber Bragg gratings in cascade. A microwave-modulated optical signal is launched into an FBG cascade and subsequently ...
Bend sensor using fiber bragg gratings to determinate the distance from the sensor to the neutral axis in compression and extension

Berrio Valencia, Luis Humberto; Sales Maicas, Salvador; Barrera Vilar, David (Institute of Electrical and Electronics Engineers (IEEE), 2012-09)

The following paper presents a bend sensor that consists of three Bragg Gratings inside a Standard Fiber Optic for the characterization of the reflected wavelengths with respect to the radius of curvature in conditions of ...
Characterization of a FBG sensor interrogation system based on a mode-locked laser scheme

Madrigal-Madrigal, Javier; Fraile-Pelaez, Francisco Javier; Zheng, Di; Barrera Vilar, David; Sales Maicas, Salvador (The Optical Society, 2017-10-02)

[EN] This paper is focused on the characterization of a fiber Bragg grating (FBG) sensor interrogation system based on a fiber ring laser with a semiconductor optical amplifier as the gain medium, and an in-loop electro-optical ...
Colloidal Quantum Dots-PMMA Waveguides as Integrable Microwave Photonic Phase Shifters

Ricchiuti, Amelia L.; Suárez Álvarez, Isaac; Barrera Vilar, David; Rodríguez Cantó, Pedro Javier; Fernandez-Pousa, Carlos R.; Abargues, Rafael; Sales Maicas, Salvador; Martinez-Pastor, Juan; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2014-02-15)

A novel scheme for the control of microwave signals carried at optical wavelengths by use of PbS colloidal quantum dots embedded in PMMA waveguides is presented. When these structures are pumped at wavelengths where PbS ...
Continuous liquid-level sensor based on a long-period grating and microwave photonics filtering techniques

Ricchiuti, Amelia Lavinia; Barrera Vilar, David; Urrutia Azcona, Aitor; Goicoechea Fernández, Javier; Arregui, Francisco J.; Sales Maicas, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2016-03-15)

A fiber optic liquid-level sensor based on a long period grating (LPG) is proposed and experimentally validated. The principle of operation is based on a technique used to analyze microwave photonics filters. A 4-cm-long ...
Curvature, twist and pose measurements using fiber Bragg gratings in multi-core fiber: A comparative study between helical and straight core fibers

Khan, Fouzia; Barrera, David; Sales Maicas, Salvador; Misra, Sarthak (Elsevier, 2021-01-01)

[EN] This paper presents a technique to acquire measurements of curvature, twist and pose for two multi-core fibers; one with straight cores and the other with helical cores. Both the fibers have multiple fiber Bragg grating ...
Design of optical fiber sensors and interrogation schemes

Sartiano, Demetrio (Universitat Politècnica de València, 2021-02-15)

[ES] Las fibras ópticas son dispositivos muy utilizados en el campo de las telecomunicaciones desde su descubrimiento. En las últimas décadas, las fibras ópticas comenzaron a utilizarse como sensores fotónicos. Los primeros ...
Diseño de Sensores Ópticos Avanzados basados en FBGs

Barrera Vilar, David (Universitat Politècnica de València, 2011-10-18)

En el campo de la ingeniería civil para poder analizar la seguridad y fiabilidad de las construcciones se hace necesaria la monitorización de las mismas mediante dispositivos sensores que permitan un control continuo de ...
Diseño de un Sistema de Interrogación de Bajo Coste y Monitorización del Movimiento Humano mediante Sensores Ópticos basados en FBGs

Ferrer Alarcón, Jorge (Universitat Politècnica de València, 2014-03-07)

Diseño de un sistema de interrogación de bajo coste para sensores ópticos basados en FBGs con el fin de reducir el coste de adquisición de este tipo de sensores a coste de perder precisión. Por otro lado diseño e implementación ...
Diseño y Fabricación de Sensores Fotónicos Avanzados

García Camarasa, José Alberto (Universitat Politècnica de València, 2013-11-14)

EN ESTE PROYECTO DE FINAL DE CARRERA SE REALIZA EL DISEÑO Y LA FABRICACIÓN DE DOS SENSORES MEDIANTE EL EMPLEO DE FIBRA ÓPTICA, UNO DE ELLOS PARA LA MEDICIÓN DEL FLUJO RESPIRATORIO Y OTRO PARA LA MEDICIÓN DE LA TEMPERATURA.
Diseño, fabricación y caracterización de FBGs e interferómetros en fibra óptica para la monitorización en ambientes adversos

Barrera Vilar, David (Universitat Politècnica de València, 2013-11-11)

En esta tesis doctoral se presenta el diseño, la implementación y la caracterización de sensores en fibra óptica para la monitorización de diversas magnitudes en ambientes adversos. Se entiende como ambientes adversos ...
Diseño, fabricación y caracterización de sensores basados en fibras ópticas de múltiples núcleos

Madrigal Madrigal, Javier (Universitat Politècnica de València, 2022-02-14)

[ES] La fibra óptica ha supuesto una gran revolución en el mundo de las telecomunicaciones debido a su alta capacidad de transmisión y sus bajas pérdidas. Hoy en día no sería posible transportar la cantidad de tráfico que ...
Enhancement of the sensitivity of a temperature sensor based on fiber Bragg gratings via weak value amplification

Salazar-Serrano, L.J.; Barrera Vilar, David; Amaya Ocampo, Waldimar Alexander; Sales Maicas, Salvador; Pruneri, V..; Capmany Francoy, José; Torres, J.P. (Optical Society of America, 2015-09-01)

We present a proof-of-concept experiment aimed at increasing the sensitivity of Fiber-Bragg-gratings temperature sensors by making use of a weak-value-amplification scheme. The technique requires only linear optics elements ...
Few-mode fiber true time delay lines for distributed radiofrequency signal processing

Guillem-Cogollos, Rubén; García-Cortijo, Sergi; Madrigal-Madrigal, Javier; Barrera Vilar, David; Gasulla Mestre, Ivana (The Optical Society, 2018)

[EN] We report, for the first time to our knowledge. distributed radiofrequency signal processing built upon true time delay operation on a step-index few-mode fiber. Two 3-sample configurations with different time delay ...
Few-mode fibre delay lines with inscribed long period gratings for radiofrequency signal processing

García-Cortijo, Sergi; Guillem-Cogollos, Rubén; Madrigal-Madrigal, Javier; Barrera Vilar, David; Sales Maicas, Salvador; Gasulla Mestre, Ivana (IEEE, 2019-09-26)

[EN] We propose and experimentally demonstrate distributed radiofrequency signal on a few-mode-fibre device. The inscription of long period gratings at specific locations along the fibre allows the excitation of the ...
Fiber Bragg Gratings for Medical Applications and Future Challenges: A Review

Lo Presti, Daniela; Massaroni, Carlo; Leitao, Catia Sofia Jorge; Domingues, Maria De Fátima; Sypabekova, Marzhan; Barrera, David; Floris, Ignazio; Massari, Luca; Oddo, Calogero Maria; Sales Maicas, Salvador; Iordachita, Iulian Ioan; Tosi, Daniele; Schena, Emiliano (Institute of Electrical and Electronics Engineers, 2020)

[EN] In the last decades, fiber Bragg gratings (FBGs) have become increasingly attractive to medical applications due to their unique properties such as small size, biocompatibility, immunity to electromagnetic interferences, ...
Fiber-distributed Signal Processing: Where the Space Dimension Comes into Play

Gasulla Mestre, Ivana; García-Cortijo, Sergi; Barrera Vilar, David; Hervás-Peralta, Javier; Sales Maicas, Salvador (Optical Society of America (OSA), 2017-07-27)

[EN] We implement "fiber-distributed signal processing" in the context of fiber-wireless communications by using different multicore fibers, providing both radio access distribution and microwave photonics signal processing ...
High-speed railway tunnel monitoring using point, long gauge and distributed strain and temperature fiber optic sensors

Torres Górriz, Benjamín; Paya-Zaforteza, Ignacio; Barrera Vilar, David; Alvarado, Y. A.; Calderón García, Pedro Antonio; Loayssa Lara, Alayn; Sagues García, Mikel; Zornoza, A.; Sales Maicas, Salvador (INST CIENCIAS CONSTRUCCION EDUARDO TORROJA, SERRANO GALVACHE, 4, 28033 MADRID, SPAIN, 2015)

Structural Health Monitoring (SHM) is presently having a great development. Strains and temperatures are usually the key parameters to be monitored due to their relevance when explaining structural behavior. Several types ...