Zhang, LiCorrea-Mena, Ana GabrielaYang, ZhishengSauser, FlorianLe Floch, SébastienThévenaz, Luc2023-02-202023-02-202022-09-0110.1364/OFS.2022.Th4.31https://infoscience.epfl.ch/handle/20.500.14299/194950A 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.Closed-loop technique using gain balance for fast Brillouin Optical Time-Domain Analysistext::conference output::conference proceedings::conference paper