We report the enhanced performance of an 85 km single-ended distributed Brillouin based temperature sensor using an EDFA and Raman amplification. A temperature resolution of 3 °C and spatial resolution of 20 m was achieved.
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(290.0290) Scattering : Scattering
(290.5830) Scattering : Scattering, Brillouin
Y. T. Cho, M. Alahbabi, G. Brambilla, and T. Newson, "Brillouin based OTDR with measurement range of 85 km using combined EDFA and Raman amplification," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CWM5.