Ultra-Long Laser Systems for Remote Fiber Bragg Gratings Arrays Interrogation

Ultra-Long Laser Systems for Remote Fiber Bragg Gratings Arrays Interrogation

This letter proposes and demonstrates two, 100 and 200 km, long distance fiber laser systems for fiber Bragg grating (FBG) sensors multiplexing. The first system is based on a fiber ring laser and reaches 100 km, whereas the second one is composed by a random fiber laser with a reach of 200 km. Both...

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Veröffentlicht in:IEEE photonics technology letters 2013-07, Vol.25 (14), p.1362-1364
Hauptverfasser: Fernandez-Vallejo, Montserrat, Bravo, Mikel, Lopez-Amo, Manuel
Format: Artikel
Sprache:eng
Schlagworte:
Fiber Bragg gratings
Fiber gratings
interrogation systems
Multiplexing
optical amplification
Optical sensors
remote measurements
Remote sensing
Ring lasers
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Zusammenfassung:This letter proposes and demonstrates two, 100 and 200 km, long distance fiber laser systems for fiber Bragg grating (FBG) sensors multiplexing. The first system is based on a fiber ring laser and reaches 100 km, whereas the second one is composed by a random fiber laser with a reach of 200 km. Both of them are able to multiplex 11 FBGs. In addition, because of the mode operation of the systems, they are low noise configurations.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2013.2265916