Polarization diversity for Brillouin distributed fiber sensors based on a double orthogonal pump

Javier Urricelqui; Felipe López-Fernandino; Mikel Sagues; Alayn Loayssa

doi:10.1117/12.2059361

2 June 2014 Polarization diversity for Brillouin distributed fiber sensors based on a double orthogonal pump

Javier Urricelqui, Felipe López-Fernandino, Mikel Sagues, Alayn Loayssa

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91576A (2014) https://doi.org/10.1117/12.2059361
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We demonstrate a novel Brillouin optical time domain analysis sensor deploying a polarization diversity technique which eliminates the need for polarization scrambling, providing measurements that are largely immune to the state of polarization of the probe wave and the pump pulses throughout the sensing fiber. This can be exploited to reduce the measurement time or can lead to an enhanced precision. Proof of concept experiments demonstrate a 651 Hz sampling rate with 1m resolution over a 930m sensing fiber.

Citation Download Citation

Javier Urricelqui, Felipe López-Fernandino, Mikel Sagues, and Alayn Loayssa "Polarization diversity for Brillouin distributed fiber sensors based on a double orthogonal pump", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576A (2 June 2014); https://doi.org/10.1117/12.2059361

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