High spatial resolution distributed and dynamic strain sensing using direct detection

Zhang, LiDavidi, RoyYang, ZhishengThevenáz, LucTur, Moshe2021-11-102021-11-102021-11-0810.1364/OFS.2020.T3.52https://infoscience.epfl.ch/handle/20.500.14299/182969A distributed dynamic strain sensing system based on frequency-scanned phase-sensitive optical time domain reflectometry is proposed and demonstrated. It demonstrates a record spatial resolution of 20 cm, compared with other direct-detection dynamic strain sensing systems.High spatial resolution distributed and dynamic strain sensing using direct detectiontext::conference output::conference proceedings::conference paper