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    Brillouin optical time-domain analyzer for extended sensing range using probe dithering and cyclic coding 

    Iribas Pardo, Haritz; Loayssa Lara, Alayn; Sauser, Florian; Llera, Miguel; Le Floch, Sébastien (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena,
    We present an enhanced performance Brillouin optical time-domain analysis sensor that uses dual probes waves with optical frequency modulation and cyclic coding. The frequency modulation serves to increase the probe power ...
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    Enhancement of signal-to-noise ratio in Brillouin optical time domain analyzers by dual-probe detection 

    Iribas Pardo, Haritz; Loayssa Lara, Alayn; Sauser, Florian; Llera, Miguel; Le Floch, Sébastien (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena,
    We demonstrate a simple technique to enhance the signal-to-noise ratio (SNR) in Brillouin optical time-domain analysis sensors by the addition of gain and loss processes. The technique is based on the shift of the pump ...
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    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 ...
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    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 ...
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    Detrimental effects in Brillouin distributed sensors caused by EDFA transient 

    Feng, Cheng; Iribas Pardo, Haritz; Mariñelarena Ollacarizqueta, Jon; Schneider, Thomas; Loayssa Lara, Alayn (Optical Society of AmericaIEEE, 2017)   Contribución a congreso / Biltzarrerako ekarpena,
    We investigate the deleterious effect and the error in Brillouin optical time-domain analyzers induced by the combination of a low extinction ratio pulse generation with the transient behavior of erbium-doped fiber amplifiers.
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    Second-order nonlocal effects mitigation in Brillouin optical time-domain analysis sensors by tracking the Brillouin frequency shift profile of the fiber 

    Mompó Roselló, Juan José; Iribas Pardo, Haritz; Urricelqui Polvorinos, Javier; Loayssa Lara, Alayn (IEEE, 2017)   Artículo / Artikulua,
    We report on an additional limitation that has been found in Brillouin optical time-domain analysis (BOTDA) sensors due to the so-called second-order nonlocal effects (NLE). Second-order NLE appear in BOTDA setups that ...
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    Second-order non-local effects mitigation in BOTDA sensors by tracking the BFS profile 

    Mompó Roselló, Juan José; Iribas Pardo, Haritz; Urricelqui Polvorinos, Javier; Loayssa Lara, Alayn (SPIE, 2017)   Contribución a congreso / Biltzarrerako ekarpena,
    We demonstrate a technique to mitigate the residual second-order non-local effects in Brillouin optical time-domain analysis (BOTDA) sensors in which the Brillouin frequency shift (BFS) profile is not uniform along the ...

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    Author
    Iribas Pardo, Haritz (7)
    Loayssa Lara, Alayn (7)Urricelqui Polvorinos, Javier (4)Le Floch, Sébastien (2)Llera, Miguel (2)Mariñelarena Ollacarizqueta, Jon (2)Mompó Roselló, Juan José (2)Sagüés García, Mikel (2)Sauser, Florian (2)Feng, Cheng (1)... View MoreSubjectBrillouin distributed sensors (7)
    Brillouin optical time domain analysis (7)
    Fiber optics sensors (3)Cyclic coding (1)EDFA (1)Extinction ratio (1)Signal-to-noise ratio improvement (1)... View MoreDate Issued2017 (5)2015 (2)

     © Universidad Pública de Navarra - Nafarroako Unibertsitate Publikoa
         Repositorio basado en DSpace

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