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100km Distributed Fiber Optic Sensor Based on the Coherent Detection of Brillouin Backscatter, with a Spatial Resolution of 10 m, Enhanced Using Two Stages of Remotely Pumped Erbium-Doped Fiber Combined with Raman Amplification

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We report the enhanced performance of distributed Brillouin fiber optic sensor using two stages of remotely pumped erbium-doped fiber combined with Raman amplification. Intensity and frequency resolutions of 0.60% and 0.30 MHz were achieved at 100 km.

© 2006 IEICE

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