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Listar por palabra clave "Fiber optic sensors"

Mostrando ítems 1-10 de 10

Analysis of the strain transfer in a new FBG sensor for Structural Health Monitoring

Torres Górriz, Benjamín; Paya-Zaforteza, I.; Calderón García, Pedro Antonio; Adam Martínez, José Miguel (Elsevier, 2011-02)

Structural Health Monitoring (SHM) is a topic of great interest in structural engineering due to the ageing of the built infrastructures and the growing use of innovative structural systems and construction materials. ...
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 ...
Demonstration of multiplexed sensor system combining low coherence interferometry and microwave photonics

Benítez, Jesús; Bolea, Mario; Mora Almerich, José (The Optical Society, 2017)

[EN] In this work, a multiplexed sensor system is proposed by means of the combination of low coherence interferometry (LCI) and microwave photonics (MWP). Variations of physical magnitudes can be measured in an array of ...
Desarrollo de sensores ópticos realizados en fibras multicore para medios acuáticos

Segarra Salas, Patricia (Universitat Politècnica de València, 2020-01-02)

[ES] Este TFG trata sobre la investigación y el desarrollo de sensores basados en FBGs inscritas en fibras de varios núcleos cuya finalidad será estudiar la variación de la curvatura de la fibra en un medio acuático mediante ...
Desarrollo de un sistema de monitorización del sueño mediantes sensores de fibra óptica embebidos en un colchón

Cañavate Armillas, Enrique (Universitat Politècnica de València, 2019-08-01)

[ES] Se trata de desarrollar un sistema de monitorzación de la posición del usuario durante el sueño mediante la utilización de sensores de fibra óptica embebidos en un colchón
Evaluación teórica y experimental de la tecnología sensado de forma aplicada en tableros de puentes y forjados prefabricados.

Hernández Rivera, Medardo Alexander (Universitat Politècnica de València, 2023-10-23)

[ES] Este trabajo de fin de máster tiene como objetivo aplicar la tecnología de sensores de forma a dos tipologías diferentes de tableros de puentes, específicamente celosía metálica y viga artesa, así como a un forjado ...
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 ...
Long Weak FBG Sensor Interrogation Using Microwave Photonics Filtering Technique

Lavinia Ricchiuti, Amelia; Barrera Vilar, David; Sales Maicas, Salvador; Thevenaz, Luc; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2014-10-15)

A system to interrogate photonic sensors based on long weak fiber Bragg gratings (FBGs) is illustrated and experimentally demonstrated. The FBG sensor is able to detect and measure the precise location of several spot ...
Microwave photonics filtering technique for interrogating a very-weak fiber Bragg grating cascade sensor

Ricchiuti, Amelia Lavinia; Hervás Peralta, Javier; Barrera Vilar, David; Sales Maicas, Salvador; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2014-12)

A system to interrogate photonic sensors based on a very weak fiber Bragg grating cascade fiber is presented and experimentally validated and dedicated to detecting the presence and location of a spot event. The distributed ...
Optical fiber point sensors based on forward Brillouin scattering

Shemer, Keren; Bashan, Gil; Zehavi, Elad; Diamandi, Hilel Hagai; Bernstein, Alon; Sharma, Kavita; London, Yosef; Barrera Vilar, David; Sales Maicas, Salvador; Bergman, Arik; Zadok, Avi (The Optical Society, 2022-10-24)

[EN] Forward Brillouin scattering interactions support the sensing and analysis of media outside the cladding boundaries of standard fibers, where light cannot reach. Quantitative point-sensing based on this principle has ...