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Conferences > Sensors > 2020 > STh3G > STh3G.6

Fast FBG Interrogation with Active Sagnac Interferometer Using Off-the-shelf Fiber Components

C. J. Oton, L. Tozzetti, and F. Di Pasquale

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Abstract

We present a polarization-independent fiber Bragg grating (FBG) interrogator based on a rapidly-tunable Sagnac interferometer using a dual-polarization lithium-niobate phase modulator. A bandwidth of 100 kHz along a range beyond a full free-spectral-range is demonstrated.

© 2020 The Author(s)

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