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Proceedings Paper

High-resolution Raman-assisted Brillouin sensor based on differential pulse-width pair technique
Author(s): Xabier Angulo-Vinuesa; Sonia Martin-Lopez; Pedro Corredera; Miguel González-Herráez
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Paper Abstract

High sensing resolution in long-distance distributed fiber optic sensors, such as Brillouin Optical Time Domain Analysis (BOTDA), cannot be trivially achieved due to several issues including self-phase modulation, resolution-uncertainty trade-offs and fiber attenuation. These problems could be fixed by the use of differential pulse-pair techniques in combination with Raman amplification. In this work we present a Differential Pulse-width Pair (DPP) Raman-assisted BOTDA sensor, that can achieve 1 meter resolution in a 100 km range.

Paper Details

Date Published: 9 May 2012
PDF: 6 pages
Proc. SPIE 8439, Optical Sensing and Detection II, 84390A (9 May 2012); doi: 10.1117/12.922716
Show Author Affiliations
Xabier Angulo-Vinuesa, Instituto de Óptica - CSIC (Spain)
Sonia Martin-Lopez, Instituto de Óptica - CSIC (Spain)
Pedro Corredera, Instituto de Óptica - CSIC (Spain)
Miguel González-Herráez, Univ. de Alcalá (Spain)

Published in SPIE Proceedings Vol. 8439:
Optical Sensing and Detection II
Francis Berghmans; Anna Grazia Mignani; Piet De Moor, Editor(s)

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