Enhanced long-range distributed strain and temperature sensing using BOTDA and optical pulse coding

Conference: ECOC 2009 - 35th European Conference on Optical Communication - Post Deadline Papers
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Soto, M. A.; Thévenaz, L. (EPFL Swiss Federal Institute of Technology, Institute of Electrical Engineering, Group for Fibre Optics, STI IEL GR-SCI Station 11, 1015 Lausanne, Switzerland)
Bolognini, G.; Soto, M. A.; Bolognini, G.; Pasquale, F. Di (Scuola Superiore Sant’ Anna, via G. Moruzzi 1, 56124, Pisa, Italy)

Optical pulse coding is successfully applied to long-range sensors based on Brillouin optical time domain analysis, achieving a record of 1 meter spatial resolution over 50 km of SMF with 2.2deg C / 44microsec temperature/strain resolutions.