Title :
Enhanced distributed hybrid sensor based on Brillouin and Raman scattering combining Fabry-Perot lasers and optical pulse coding
Author :
Soto, Marcelo A. ; Bolognini, Gabriele ; Di Pasquale, Fabrizio
Author_Institution :
Scuola Superiore Sant´´Anna, Pisa, Italy
Abstract :
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.
Keywords :
Brillouin spectra; Raman spectra; fibre lasers; fibre optic sensors; strain sensors; temperature sensors; Brillouin scattering; Fabry-Perot lasers; Raman scattering; enhanced distributed hybrid sensor; optical pulse coding; strain sensing; temperature sensing; Brillouin scattering; Capacitive sensors; Fabry-Perot; Optical fiber sensors; Optical pulses; Optical scattering; Optical sensors; Raman scattering; Strain measurement; Temperature sensors;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
