An enhanced-performance BOTDA sensor is presented combining low-RIN distributed Raman amplification and RZ Simplex-pulse coding. Results demonstrate for first time 1 m spatial resolution over 120 km distance with 1.3°C/26 μϵ resolutions
© 2012 OSA
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.
(290.5900) Scattering : Scattering, stimulated Brillouin
M. A. Soto, M. Taki, G. Bolognini, and F. Di Pasquale, "Enhanced-performance BOTDA sensing through optimized pulse coding and low-RIN bidirectional Raman amplification," in Optical Fiber Communication Conference, OSA Technical Digest (Optical Society of America, 2012), paper OTu1C.6.
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