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Conferences > OFC > 2021 > W6A > W6A.43

Brillouin Phase Spectrum Recovery based on Kramers-Kronig relation in Direct-detection BOTDA sensors

Keyan Zeng, Liang Wang, Ming Tang, and Deming Liu

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Abstract

Without the need of coherent detection and hardware modification, Brillouin phase spectrum is digitally recovered for the first time from the Brillouin gain spectrum based on Kramers-Kronig relation in a conventional direct-detection BOTDA sensing system.

© 2021 The Author(s)

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