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Proceedings Paper

Synthesis of virtual Brillouin frequency shift profiles in BOTDA sensors using optical source dithering
Author(s): Javier Urricelqui; Mikel Sagues; Alayn Loayssa
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Paper Abstract

We demonstrate a novel concept for Brillouin optical time domain analysis sensors that is based on synthesizing a virtual Brillouin frequency shift profile along the sensing fiber. The technique is based on modulating the wavelength of the optical source with a periodic waveform that is synchronized to the pump pulse. Application of this new tool to the compensation of non-local effects and Brillouin-induced noise in distributed sensors is experimentally demonstrated.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915769 (2 June 2014); doi: 10.1117/12.2059358
Show Author Affiliations
Javier Urricelqui, 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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