Effect of humidity on optical fiber distributed sensor based on Brillouin scattering

Carlos A. Galindez; Francisco J. Madruga; M. Lomer; A. Cobo; Jose M. Lopez-Higuera

doi:10.1117/12.786159

16 May 2008 Effect of humidity on optical fiber distributed sensor based on Brillouin scattering

Carlos A. Galindez, Francisco J. Madruga, M. Lomer, A. Cobo, Jose M. Lopez-Higuera

Author Affiliations +

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70044W (2008) https://doi.org/10.1117/12.786159
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

Abstract

In real sensors, the crosstalk or undesirable crossed sensitivities must be minimized. Distributed Brillouin sensing is a very useful technique to measure fluctuations of temperature along an optical fiber. However, the later measurement can be influenced by the humidity on the fiber; therefore its effect must be minimized. Because the aforementioned, the Brillouin frequency changes with the humidity. Thus, for a given temperature on a distributed fiber sensor such variations have been investigated. The experimental results obtained using three different types of single mode fibers with 1000m length, at 25°C are reported in this paper.

Citation Download Citation

Carlos A. Galindez, Francisco J. Madruga, M. Lomer, A. Cobo, and Jose M. Lopez-Higuera "Effect of humidity on optical fiber distributed sensor based on Brillouin scattering", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70044W (16 May 2008); https://doi.org/10.1117/12.786159

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