Raman optical time domain reflectometry and in-line time-division multiplexing for fiber Bragg grating (FBG) dynamic interrogation. The highly integrated proposed scheme employs broadband apodized low reflectivity FBGs with a single narrowband optical source and a shared receiver block, allowing for simultaneous measurements of distributed static temperature and discrete dynamic strain, over the same sensing fiber.
Hybrid Raman/FBG Sensor for Distributed Temperature and Discrete Dynamic Strain Measurements
FARALLI, STEFANO;DI PASQUALE, Fabrizio Cesare Filippo
2012-01-01
Abstract
Raman optical time domain reflectometry and in-line time-division multiplexing for fiber Bragg grating (FBG) dynamic interrogation. The highly integrated proposed scheme employs broadband apodized low reflectivity FBGs with a single narrowband optical source and a shared receiver block, allowing for simultaneous measurements of distributed static temperature and discrete dynamic strain, over the same sensing fiber.File in questo prodotto:
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