Brillouin optical time-domain analysis assisted by second-order Raman amplification

S Martin-Lopez, M Alcon-Camas, F Rodriguez… - Optics express, 2010 - opg.optica.org
We propose and experimentally demonstrate a new method to extend the range of Brillouin
optical time domain analysis (BOTDA) systems. It exploits the virtual transparency created by …

Raman-assisted Brillouin optical time-domain analysis with sub-meter resolution over 100 km

X Angulo-Vinuesa, S Martin-Lopez, P Corredera… - Optics …, 2012 - opg.optica.org
Sub-meter resolution in long-distance Brillouin Optical Time Domain Analysis (BOTDA)
cannot be trivially achieved due to several issues including: resolution-uncertainty trade-offs …

Brillouin optical time-domain analysis sensor assisted by Brillouin distributed amplification of pump pulses

J Urricelqui, M Sagues, A Loayssa - Optics express, 2015 - opg.optica.org
We demonstrate the extension of the measurement range of Brillouin optical time-domain
analysis (BOTDA) sensors using a distributed Brillouin amplifier (DBA). The technique is …

Brillouin optical time-domain analysis sensor with pump pulse amplification

JJ Mompó, J Urricelqui, A Loayssa - Optics Express, 2016 - opg.optica.org
We demonstrate a simple technique to provide conventional Brillouin optical time-domain
analysis sensors with mitigation for pump pulse attenuation. The technique is based on …

Fast Brillouin optical time domain analysis for dynamic sensing

Y Peled, A Motil, M Tur - Optics express, 2012 - opg.optica.org
A new technique for the fast implementation of Brillouin Optical Time Domain Analysis
(BOTDA) is proposed and demonstrated, carrying the classical BOTDA method to the …

Sources of noise in Brillouin optical time-domain analyzers

J Urricelqui, MA Soto… - … Conference on Optical …, 2015 - spiedigitallibrary.org
This paper presents a thorough study of the different sources of noise affecting Brillouin
optical time-domain analyzers (BOTDA), providing a deep insight into the understanding of …

Optimization of long-range BOTDA sensors with high resolution using first-order bi-directional Raman amplification

MA Soto, G Bolognini, F Di Pasquale - Optics Express, 2011 - opg.optica.org
In this paper we perform an optimization of Brillouin optical time-domain analysis (BOTDA)
sensors for achieving high resolution over long sensing ranges using distributed Raman …

Extending the real remoteness of long-range Brillouin optical time-domain fiber analyzers

MA Soto, X Angulo-Vinuesa, S Martin-Lopez… - Journal of Lightwave …, 2014 - opg.optica.org
The real remoteness of a distributed optical fiber sensor based on Brillouin optical time-
domain analysis is considerably extended in this paper using seeded second-order Raman …

Brillouin distributed sensor using RF shaping of pump pulses

A Zornoza, D Olier, M Sagues… - … Science and Technology, 2010 - iopscience.iop.org
We introduce a novel configuration for long-range Brillouin optical time domain analysis
(BOTDA) sensors that is based on shaping the pump pulses in the radio frequency instead …

Synthesis of Brillouin frequency shift profiles to compensate non-local effects and Brillouin induced noise in BOTDA sensors

J Urricelqui, M Sagues, A Loayssa - Optics Express, 2014 - opg.optica.org
We present a novel technique for Brillouin optical time domain analysis (BOTDA) sensors
that simultaneously compensates non-local effects and reduces Brillouin noise. The …