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Conferences > OFC > 2016 > M2D > M2D.6

High-frequency distributed acoustic sensing faster than repetition limit with frequency-multiplexed phase-OTDR

Daisuke Iida, Kunihiro Toge, and Tetsuya Manabe

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Abstract

We achieve fully distributed vibration sensing with a high frequency response using frequency encoded pulse sequences in phase OTDR. Both frequency and position are visualized simultaneously on 5 km fiber with an 80 kHz frequency response and 20 m spatial resolution.

© 2016 Optical Society of America

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