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Conferences > OFS > 2022 > Th4 > Th4.31

Closed-loop technique using gain balance for fast Brillouin Optical Time-Domain Analysis

Li Zhang, Ana Gabriela Correa-Mena, Zhisheng Yang, Florian Sauser, Sébastien Le Floch, and Luc Thévenaz

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Abstract

A closed-loop servo control based on the gain ratio of two probing frequencies is proposed for fast BOTDA, where the feedback is independent of probe and pump loss, making it robust in harsh environment.

© 2022 The Author(s)

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