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Enhanced distributed hybrid sensor based on Brillouin and Raman scattering combining Fabry-Perot lasers and optical pulse coding

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3 Author(s)
Marcelo A. Soto ; Scuola Superiore Sant'Anna, via G. Moruzzi 1, 56124 Pisa, Italy ; Gabriele Bolognini ; Fabrizio Di Pasquale

Pulse coding techniques are proposed in combination with the use of Fabry-Perot lasers for simultaneous strain and temperature sensing based on hybrid spontaneous Raman-Brillouin scattering. Combination of both techniques allows for ~0.27K / ~30???? resolution along 25-km sensing range.

Published in:

Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)

Date of Conference:

21-25 March 2010