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Frequency-Shifted Interferometry with Bidirectional Electro-Optic Modulation

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Abstract

Efficient bi-directional electro-optic modulation over 2–8 GHz enables location-resolved and spectral-resolved fiber grating sensor multiplexing, achieving ~3 cm spatial resolution over 1 km sensing range using low-power incoherent broadband source without optical amplification.

© 2018 The Author(s)

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