Simultaneous Temperature and Acoustic Sensing with Coherent Correlation OTDR
arXiv:2305.16874 · doi:10.1364/OFC.2023.W3J.3
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.
This work was partially funded by the German Federal Ministry of Education and Research in the framework of the RUBIN project Quantifisens (Project ID 03RU1U071D)