Simultaneous Temperature and Acoustic Sensing with Coherent Correlation OTDR

Published 26 May 2023 in eess.SP and physics.ins-det | (2305.16874v1)

Abstract: Superimposed temperature variations and dynamic strain applied through a 400 Hz acoustic signal on a 195 m single-mode fiber section are successfully measured using a coherent correlation optical time domain reflectometry as an interrogator.

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