Browsing by UPNA Author "Urricelqui Polvorinos, Javier"
Now showing items 1-20 of 34
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BOTDA measurements tolerant to non-local effects by using a phase-modulated probe wave and RF demodulation
Urricelqui Polvorinos, Javier
; Sagüés García, Mikel ; Loayssa Lara, Alayn (Optical Society of America, 2013)
Artículo / Artikulua 
We demonstrate a Brillouin optical time domain analysis sensor based on a phase modulated probe wave and RF demodulation that provides measurements tolerant to frequency dependent variations of the pump pulse power induced ... -
Brillouin distributed sensing assisted by Brillouin amplification of pump pulses
Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Loayssa Lara, Alayn (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate, for the first time to our knowledge, the extension of the measurement range of Brillouin distributed sensors (BDS) by using a distributed Brillouin amplifier (DBA) to compensate the attenuation of the ... -
Brillouin optical time-domain analysis sensor assisted by Brillouin distributed amplification of pump pulses
Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Loayssa Lara, Alayn (Optical Society of America, 2015)
Artículo / Artikulua
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 based on injecting a DBA pump wave in the ... -
Brillouin optical time-domain analysis sensor with amplification of pump pulses and tolerant to non-local effects
Mompó Roselló, Juan José; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate a simple technique to provide conventional Brillouin optical time-domain analysis sensor with compensation for pump pulse attenuation and tolerance to non-local effects. The technique is based on operating ... -
Brillouin optical time-domain analysis sensor with pump pulse amplification
Mompó Roselló, Juan José; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (Optical Society of America, 2016)
Artículo / Artikulua
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 operating the sensor in loss configuration so ... -
Brilloun optical time domain analysis sensor assisted by a Brillouin distributed amplifier
Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
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 based on injecting a DBA pump wave in the ... -
Compensation of nonlocal effects induced by the extinction ratio of pump pulses in Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon ; Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (Optical Society of America, 2019)
Artículo / Artikulua
We demonstrate a technique to compensate the nonlocal effects that appear in Brillouin optical time-domain analysis sensors when pump pulses with limited extinction ratio are deployed. These recently discovered nonlocal ... -
Contribution to the development of Brillouin optical time-domain analysis sensors
Urricelqui Polvorinos, Javier (2016)
Tesis doctoral / Doktoretza tesia
This thesis dissertation concentrates on solving some of the limitations described by proposing novel techniques. The first technique is based on using a phase-modulated probe wave with self-heteroyne detection and RF ... -
Cost-effective Brillouin optical time-domain analysis sensor using a single optical source and passive optical filtering
Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Mariñelarena Ollacarizqueta, Jon ; Sagüés García, Mikel ; Loayssa Lara, Alayn (Hindawi Publishing Corporation, 2016)
Artículo / Artikulua
We present a simplified configuration for distributed Brillouin optical time-domain analysis sensors that aims to reduce the cost of the sensor by reducing the number of components required for the generation of the two ... -
Dynamic BOTDA measurements based on Brillouin phase-shift and RF demodulation
Urricelqui Polvorinos, Javier ; Zornoza Indart, Ander; Sagüés García, Mikel ; Loayssa Lara, Alayn (Optical Society of America, 2012)
Artículo / Artikulua
We demonstrate a novel dynamic BOTDA sensor based, for the first time to our knowledge, on the use of the Brillouin phase shift in addition to the conventional Brillouin gain. This provides the advantage of measurements ... -
Dynamic BOTDA measurements using Brillouin phase-shift
Urricelqui Polvorinos, Javier ; Zornoza Indart, Ander; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2012)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate a novel dynamic BOTDA sensor based, for the first time to our knowledge, on the use of the Brillouin phase-shift instead of the conventional Brillouin gain. This provides the advantage of measurements that ... -
Effects of pump pulse extinction ratio in Brillouin optical time-domain analysis sensors
Iribas Pardo, Haritz ; Mariñelarena Ollacarizqueta, Jon ; Feng, Cheng; Urricelqui Polvorinos, Javier ; Schneider, Thomas; Loayssa Lara, Alayn (Optical Society of America, 2017)
Artículo / Artikulua
We report on two previously unknown non-local effects that have been found to impair Brillouin optical time-domain analysis (BOTDA) sensors that deploy limited extinction ratio (ER) pump pulses. The first one originates ... -
Enhanced tolerance to pulse extinction ratio in Brillouin optical time domain analysis sensors by dithering of the optical source
Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate the relaxation of the stringent requirements placed on the pulse extinction ratio in long-range Brillouin optical time-domain analysis sensors (BOTDA) by modulating the wavelength of the laser source that ... -
Enhancement of the dynamic range in slope-assisted coherent brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (IEEE, 2017)
Artículo / Artikulua
We present two techniques that provide an extension of the dynamic range of coherent Brillouin optical time-domain analysis (BOTDA) sensors for dynamic measurements. This type of BOTDA sensors rely on self-heterodyne ... -
Fiber-optic brillouin distributed sensors: from dynamic to long-range measurements
Loayssa Lara, Alayn; Urricelqui Polvorinos, Javier ; Iribas Pardo, Haritz ; Mompó Roselló, Juan José ; Mariñelarena Ollacarizqueta, Jon (CRC Press, 2018)
Capítulo de libro / Liburuen kapitulua
This chapter focuses on Brillouin optical time-domain analysis (BOTDA) sensors because they are the most successful Brillouin distributed sensors (BDS) type in terms of performance and practical applications. Distributed ... -
Gain dependence of measured spectra in coherent Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (SPIE, 2016)
Contribución a congreso / Biltzarrerako ekarpena
We report on the effects of large pump pulse powers on Brillouin optical time-domain analysis (BOTDA) sensors based on phase-modulated probe wave and coherent detection. It is found that the large Brillouin gain that comes ... -
Gain dependence of the phase-shift spectra measured in coherent Brillouin optical time-domain analysis sensors
Mariñelarena Ollacarizqueta, Jon ; Urricelqui Polvorinos, Javier ; Loayssa Lara, Alayn (IEEE, 2016)
Artículo / Artikulua
We report on the effects of large pump pulse powers on Brillouin optical time-domain analysis (BOTDA) sensors based on phase-modulated probe wave and coherent self-heterodyne detection. These sensors are particularly ... -
Latest research on long-range Brillouin distributed sensing
Loayssa Lara, Alayn ; Urricelqui Polvorinos, Javier ; Iribas Pardo, Haritz ; Mariñelarena Ollacarizqueta, Jon ; Mompó Roselló, Juan José (SPIE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
We review the latest developments in long-range Brillouin optical time-domain analysis sensors. The factors that impair the performance of these sensors, particularly in terms of their distance range, are discussed together ... -
Mitigation of modulation instability in Brillouin distributed fiber sensors by using orthogonal polarization pulses
Urricelqui Polvorinos, Javier ; Alem, Mehdi; Sagüés García, Mikel ; Thévenaz, Luc; Loayssa Lara, Alayn ; Soto, Marcelo A. (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
A technique based on the use of orthogonally-polarized pulses is proposed to mitigate the detrimental impact of modulation instability on Brillouin distributed fiber sensors. While the theoretical underpinnings of the ... -
Non-local effects in Brillouin optical time-domain analysis sensors
Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Mompó Roselló, Juan José ; Mariñelarena Ollacarizqueta, Jon ; Loayssa Lara, Alayn (MDPI, 2017)
Artículo / Artikulua
Brillouin optical time-domain analysis (BOTDA) sensors have great potential to provide distributed measurements of temperature and strain over large structures with high spatial resolution and measurement precision. However, ...
