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20 dB SNR enhancement in phase-sensitive OTDR using pulse stretching and recompression

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Título:: 20 dB SNR enhancement in phase-sensitive OTDR using pulse stretching and recompression
Materia:: Chirped pulse amplification; Fiber optic sensors; Optical time domain reflectometry; CIENCIAS TECNOLÓGICAS; Electrónica; TECHNOLOGY; Electronics
Descrición:: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Corea del Sur; This work shows the possibility of using chirped pulse amplification concepts in order to increase the signal-to-noise ratio (SNR) of phase sensitive optical time domain reflectometry (ΦOTDR) sensors. This method allows to increase the SNR of a ΦOTDR sensor without sacrificing spatial resolution. Here, we report a ΦOTDR sensor with a spatial resolution of 3 mm (limited only by the available detection equipment) and an SNR increase of 20 dB over the traditional architecture. To our knowledge, this is the highest-resolution ΦOTDR sensor reported to date.; Commission of the European Communities Joint; Ministerio de Economía y competitividad; Comunidad de Madrid
Lingua:: eng
Relación:: http://dx.doi.org/10.1117/12.2265605; U-FINE-307441 (Commission of the European Communities Joint); FP7 ITN ICONE program, gr. #608099; MSCA-ITN-ETN-722509; DOMINO Water JPI (EC HORIZON, Ministerio de Economía y Competitividad); TEC2013-45265-R (Ministerio de Economía y Competitividad); TEC2015-71127-C2-2-R (Ministerio de Economía y Competitividad); S2013/MIT 2790 (Comunidad de Madrid)
Autor/Productor:: Pastor Graells, Juan; Romero Cortés, Luis; Fidalgo Martins, Hugo; Fernández Ruiz, María del Rosario; Azaña, José; Martín López, Sonia; González Herráez, Miguel
Editor:: Spie Digital Library
Outros colaboradores:: Universidad de Alcalá. Departamento de Electrónica
Dereitos:: Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0); © Society of Photo-Optical Instrumentation Engineers (SPIE), 2017; http://creativecommons.org/licenses/by-nc-nd/4.0/; info:eu-repo/semantics/openAccess
Data:: 2017-11-17T14:47:52Z; 2017; 2018-04-22
Tipo do recurso:: info:eu-repo/semantics/conferenceObject; info:eu-repo/semantics/acceptedVersion
Formato:: application/pdf
Identificador do rexistro:: Pastor-Graells, J., Romero Cortés, L., Martins, H.F., Fernández-Ruiz, M.R., Azaña, J., Martin-Lopez, S. & González-Herráez, M. 2017, "20 dB SNR enhancement in phase-sensitive OTDR using pulse stretching and recompression", Proceedings of SPIE, vol. 10323, 25th International Conference on Optical Fiber Sensors, no. 103230R.; 978-151061091-0; 0277-786X; http://hdl.handle.net/10017/31029; 10.1117/12.2265605; Proceedings of SPIE; 10323; 103230R

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