Brillouin distributed optical fiber sensors have proved to be a powerful technology for real-Time detection of strain and temperature. In such sensors the optical fiber is interrogated along its full length with a resolution down to decimeters and a frequency-encoding of the measurement data that is not affected by variation of the optical attenuation. The fiber sensing cable plays a key role, since it must provide accurate strain transfer, robustness and durability. In this paper, a novel, suitably designed fiber cable for achieving optimal strain measurement performance is presented. The concept and development phases are illustrated, together with results on the strain transfer capability.

Optical fiber cables for Brillouin distributed sensing

Di Sante R.;Falcetelli F.
2019

Abstract

Brillouin distributed optical fiber sensors have proved to be a powerful technology for real-Time detection of strain and temperature. In such sensors the optical fiber is interrogated along its full length with a resolution down to decimeters and a frequency-encoding of the measurement data that is not affected by variation of the optical attenuation. The fiber sensing cable plays a key role, since it must provide accurate strain transfer, robustness and durability. In this paper, a novel, suitably designed fiber cable for achieving optimal strain measurement performance is presented. The concept and development phases are illustrated, together with results on the strain transfer capability.
2019
Proceedings of SPIE - The International Society for Optical Engineering
83
86
Bastianini F.; Bolognini G.; Marini D.; Bochenski P.; Di Sante R.; Falcetelli F.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/707988
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