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Switchable fiber optic laser system for high and low-strain fiber optic sensors remote multiplexing

Abstract: In this paper, a 50 Km remote and switchable fiber optic sensing system based on an erbium doped fiber ring laser is proposed. The system allows the integration of different interrogation methods based on the detection of wavelength or amplitude variations of the laser. This integration is carried out by sequentially activating different ring cavities by using an optical switch. With this scheme, the maximum gain zone of the erbium doped fiber amplifier can be used to increase the distance of the sensor system. A bending intensity sensor and a FBG based strain sensor were successfully tested for high and low-strain measurements respectively. This system includes all the active elements inside the monitoring station, enabling the remote monitoring of the sensors.

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 Autoría: Rota-Rodrigo S., Rodríguez-Cobo L., Quintela M., López-Higuera J., López-Amo M.,

 Congreso: European Workshop on Optical Fibre Sensors (5º : 2013 : Cracovia)

Editorial: SPIE Society of Photo-Optical Instrumentation Engineers

 Fecha de publicación: 20/05/2013

Nº de páginas: 5

Tipo de publicación: Comunicación a Congreso

 DOI: 10.1117/12.2025818

ISSN: 0277-786X,1996-756X

Proyecto español: TEC2010-20224-C02

Url de la publicación: https://doi.org/10.1117/12.2025818