Listar Comunicaciones y ponencias de congresos - Biltzarrak eta Argitalpenak por autor UPNA "Sagüés García, Mikel"
Mostrando ítems 1-15 de 15
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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 ... -
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 phase-noise in pulse-compression phase-sensitive OTDR sensors
Piñeiro Ben, Enrique; Sagüés García, Mikel ; Eyal, Avishay; Loayssa Lara, Alayn (Optica Publishing Group, 2022)
Contribución a congreso / Biltzarrerako ekarpena
We introduce a technique to compensate the performance impairments due to the laser phase noise in long-range pulse-compression DAS sensors. Experiments demonstrate the use of the longest duration pulse compression waveform ... -
Distributed strain sensing with large dynamic range based on two-wavelength phase-sensitive OTDR
Piñeiro Ben, Enrique; Sagüés García, Mikel ; Mompó Roselló, Juan José ; Eyal, Avishay; Loayssa Lara, Alayn (Optica Publishing Group, 2020)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate the use of two-wavelengths to enhance the dynamic range in phase-sensitive OTDR vibration sensors. The system overcomes the phase wrapping con- strains by the synthesis of an equivalent wavelength measurement. -
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 ... -
Egituren egoeraren monitorizaziorako zuntz optikoan oinarritutako sentsore sinplifikatua
Iribas Pardo, Haritz ; Sagüés García, Mikel ; Mariñelarena Ollacarizqueta, Jon ; Loayssa Lara, Alayn (Udako Euskal Unibertsitatea, 2015)
Contribución a congreso / Biltzarrerako ekarpena
Brillouin hedatuko denbora eremu optikoaren analisian (BOTDA) oinarritutako sentsoreak, estruktura handien (100 km luzerako estrukturak) deformazioa eta tenperatura neurtzeko gaitasuna dute. Lan honetan, BOTDA konfigurazio ... -
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 ... -
Long-range and high-resolution traffic monitoring based on pulse-compression DAS and advanced vehicle tracking algorithm
Corera Orzanco, Íñigo ; Piñeiro Ben, Enrique; Navallas Irujo, Javier; Sagüés García, Mikel ; Loayssa Lara, Alayn (Optica Publishing Group, 2022)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate traffic monitoring over tens of kilometres of road using an enhanced distributed acoustic sensing system based on optical pulse compression and a novel transformed-domain-based processing scheme with enhanced ... -
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 ... -
Overcoming non-local effects and Brillouin threshold limitations in Brillouin distributed sensors
Urricelqui Polvorinos, Javier ; Ruiz Lombera, Rubén; Sagüés García, Mikel ; Mirapeix, Jesús; López Higuera, José Miguel; Loayssa Lara, Alayn (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate, for the first time to our knowledge, a Brillouin optical time domain analysis sensor that is able to operate with a probe power larger than the Brillouin threshold of the deployed sensing fiber and that ... -
Phase-shift based BOTDA measurements tolerant to non-local effects
Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2013)
Contribución a congreso / Biltzarrerako ekarpena
We demonstrate a BOTDA sensor based on the use of the Brillouin phase shift that performs measurements tolerant to non local effects. This technique raises opportunities to increase the distance covered by these sensors ... -
Phasorial DPP-BOTDA sensor tolerant to non-local effects
Urricelqui Polvorinos, Javier ; Mariñelarena Ollacarizqueta, Jon ; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
We introduce a modification of the differential pulse width pair technique in a BOTDA sensor based on a phase modulated probe wave and RF demodulation. This provides a differential Brillouin phasorial signal with high ... -
Polarization diversity for Brillouin distributed fiber sensors based on a double orthogonal pump
Urricelqui Polvorinos, Javier ; López Fernandino, Felipe; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
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 ... -
Simplified Brillouin sensor for structural health monitoring applications based on passive optical filtering
Iribas Pardo, Haritz ; Urricelqui Polvorinos, Javier ; Mariñelarena Ollacarizqueta, Jon ; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2015)
Contribución a congreso / Biltzarrerako ekarpena
We present a simplified configuration for distributed Brillouin optical time domain analysis sensors. The technique is based on passive optical filtering of the spectral components generated in an RF-pulse-modulated optical ... -
Synthesis of virtual Brillouin frequency shift profiles in BOTDA sensors using optical source dithering
Urricelqui Polvorinos, Javier ; Sagüés García, Mikel ; Loayssa Lara, Alayn (SPIE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
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 ...
