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Proceedings Paper

Polarization diversity for Brillouin distributed fiber sensors based on a double orthogonal pump
Author(s): Javier Urricelqui; Felipe López-Fernandino; Mikel Sagues; Alayn Loayssa
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Paper 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.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91576A (2 June 2014); doi: 10.1117/12.2059361
Show Author Affiliations
Javier Urricelqui, Univ. Pública de Navarra (Spain)
Felipe López-Fernandino, Univ. Pública de Navarra (Spain)
Mikel Sagues, Univ. Pública de Navarra (Spain)
Alayn Loayssa, Univ. Pública de Navarra (Spain)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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