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Listar por palabra clave "Optical fiber sensor"

Mostrando ítems 1-9 de 9

Bend-Direction and Rotation Plastic Optical Fiber Sensor

Sartiano, Demetrio; Geernaert, Thomas; Torres Roca, Elena; Sales Maicas, Salvador (MDPI AG, 2020-09)

[EN] A plastic filament of poly (methyl methacrylate) (PMMA) was fabricated by extrusion. The mode confinement was simulated using numerical software. The idea is to study how the light intensity changes inside the plastic ...
Characterization and calibration of shape sensors based on multicore optical fibre

Idrisov, Ravil; Floris, Ignazio; Rothhardt, Manfred; Bartelt, Hartmut (Elsevier, 2021-01)

[EN] In order to provide high accuracy in shape measurement with multicore optical fibres, characterization and calibration procedures are an important part of sensor preparation. Some procedures can be considered mandatory ...
Effects of bonding on the performance of optical fiber strain sensors

Floris, Ignazio; Sangiorgio, Valentino; Adam, Jose M; Uva, Giuseppina; Rapido, Monica; Calderón García, Pedro Antonio; Madrigal-Madrigal, Javier (John Wiley & Sons, 2021-09)

[EN] The structural health monitoring (SHM) of existing buildings, structures, and infrastructures has become increasingly important in recent years, while the interest of the scientific community is focused on the use of ...
Effects of core position uncertainty on optical shape sensor accuracy

Floris, Ignazio; Calderón García, Pedro Antonio; Sales Maicas, Salvador; Adam, Jose M (Elsevier, 2019-06)

[EN] Optical fiber sensors are now widely recognized as extremely reliable instruments to sense strain. Optical shape sensors consist of multiple single-core optical fibers or multicore optical fibers capable of sensing ...
Enhancing the Multiplexing Capabilities of Sensing Networks using Spectrally Encoded Fiber Bragg Grating Sensors

Triana-Infante, Cristian Andres; Pastor Abellán, Daniel; Varón, Margarita (Institute of Electrical and Electronics Engineers (IEEE), 2016-10-01)

We have proposed a technique to design spectrally encoded fiber Bragg grating (FBG) sensors allowing overlapping between two or more sensors in the same spectral region. A theoretical description of the design and the ...
Long Period Gratings in Multicore Optical Fibers for Directional Curvature Sensor Implementation

Barrera Vilar, David; Madrigal-Madrigal, Javier; Sales Maicas, Salvador (Institute of Electrical and Electronics Engineers, 2018)

[EN] Multicore optical fibers are especially attractive for the fabrication of curvature and shape sensors due to the spatial distribution of the different cores. Fiber Bragg gratings have been used in the past for the ...
Packaged Optical Sensors Based on Regenerated Fiber Bragg Gratings for High Temperature Applications

Barrera Vilar, David; Finazzi, Vittoria; Villatoro, Joel; Sales Maicas, Salvador; Pruneri, Valerio (Institute of Electrical and Electronics Engineers (IEEE), 2012-01)

We report on temperature sensors based on regenerated fiber Bragg gratings (RFBGs) for measurements up to 1100°C. The annealing process required to regenerate such gratings makes the optical fiber too delicate, thus making ...
Strongly coupled multicore fiber with FBGs for multipoint and multiparameter sensing

Liu, Zhiming; Zheng, Di; Madrigal-Madrigal, Javier; Villatoro, Joel; Antonio-Lopez, Enrique; Schuelzgen, Axel; Amezcua-Correa, Rodrigo; Zou, Xihua; Pan, Wei; Sales Maicas, Salvador (Elsevier, 2020-09)

[EN] A compact optical fiber sensor by embedding fiber Bragg gratings (FBGs) in strongly coupled multicore fiber (SCMCF) is proposed for multipoint and multiparameter sensing. To build the device, two FBGs with different ...
Twisting measurement and compensation of optical shape sensor based on spun multicore fiber

Floris, Ignazio; Madrigal-Madrigal, Javier; Sales Maicas, Salvador; Calderón García, Pedro Antonio; Adam, Jose M (Elsevier, 2020-06)

[EN] This study presents a novel method for twisting compensation in optical shape sensing and first reports on twisting sensing by using Fiber Bragg Gratings (FBG) inscribed in a spun Multicore Fiber (MCF). A simple ...