Browsing by UPNA Author "Sagüés García, Mikel"
Now showing items 1-20 of 32
-
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 ... -
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 impairments in distributed acoustic sensors based on optical pulse compression time-domain reflectometry
Piñeiro Ben, Enrique; Sagüés García, Mikel ; Loayssa Lara, Alayn (IEEE, 2023)
Artículo / Artikulua
We introduce a method to compensate for the deleterious effects of the phase noise of the laser source on long-range distributed acoustic sensors (DAS) that implement optical pulse compression (OPC). Pulse compression can ... -
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 ... -
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 ... -
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 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 ... -
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 ... -
Long-range traffic monitoring based on pulse-compression distributed acoustic sensing and advanced vehicle tracking and classification algorithm
Corera Orzanco, Íñigo ; Piñeiro Ben, Enrique; Navallas Irujo, Javier; Sagüés García, Mikel ; Loayssa Lara, Alayn (MDPI, 2023)
Artículo / Artikulua
We introduce a novel long-range traffic monitoring system for vehicle detection, tracking, and classification based on fiber-optic distributed acoustic sensing (DAS). High resolution and long range are provided by the use ... -
Measurement of polarization dependent loss, polarization mode dispersion and group delay of optical components using swept optical single sideband modulated signals
Sagüés García, Mikel ; Pérez Echegoyen, Miguel; Loayssa Lara, Alayn (Optical Society of America, 2008)
Artículo / Artikulua
We introduce a novel method for high wavelength-resolution measurement of polarization-averaged group delay, polarization dependent loss and polarization mode dispersion of optical components using swept optical single ... -
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 ... -
Monitorización de deformaciones y temperaturas en la estructura de un túnel artificial de alta velocidad mediante sensores ópticos puntuales, de longitud y distribuidos
Torres, B.; Payá Zaforteza, I.; Barrera, D.; Alvarado, Y. A.; Calderón, P. A.; Loayssa Lara, Alayn ; Sagüés García, Mikel ; Zornoza Indart, Ander; Sales, S. (CSIC, 2015)
Artículo / Artikulua
La monitorización de estructuras es una rama de la ingeniería estructural que está captando mucha atención actualmente. Las deformaciones y temperaturas son, habitualmente, los parámetros monitorizados porque son los que ... -
Multi-tap complex-coefficient incoherent microwave photonic filters based on optical single-sideband modulation and narrow band optical filtering
Sagüés García, Mikel ; García Olcina, Raimundo; Loayssa Lara, Alayn ; Sales, S.; Capmany, José (Optical Society of America, 2008)
Artículo / Artikulua
We propose a novel scheme to implement tunable multi-tap complex coefficient filters based on optical single sideband modulation and narrow band optical filtering. A four tap filter is experimentally demonstrated to ... -
Orthogonally polarized optical single sideband modulation for microwave photonics processing using stimulated Brillouin scattering
Sagüés García, Mikel ; Loayssa Lara, Alayn (Optical Society of America, 2010)
Artículo / Artikulua
We present a novel technique to generate orthogonally polarized optical single sideband modulated signals. The modulation scheme is based on all optical stimulated Brillouin scattering processing of the optical carrier of ...
