A simple long-distance and quasi-distributed FBG sensor system using a pulsed SOA is investigated. In the proposed system, OSNR greater than 20 dB from 6 FBGs quasi-distributed along a 40-km fiber was achieved.
© 2007 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2370) Fiber optics and optical communications : Fiber optics sensors
H. Y. Fu, H. L. Liu, H. Y. Tam, P. K. A. Wai, and C. Lu, " Long-Distance and Quasi-Distributed FBG Sensor System Using a SOA Based Ring Cavity Scheme," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper OMQ5.
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