Heterogeneous-frequency-dual-pulse chain and weak FBG array for quasi-distributed acoustic sensing with improved response bandwidth
Liang, GH; Niu, PP; Jiang, JF; Wang, S; Wang, YX; Xia, J; Wang, T; Ding, ZY; Xu, TH; Liu, TG
Jiang, JF (corresponding author), Tianjin Univ, Sch Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China.; Jiang, JF (corresponding author), Tianjin Univ, Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China.; Jiang, JF (corresponding author), Tianjin Univ, Tianjin Opt Fiber Sensing Engn Ctr, Inst Opt Fiber Sensing, Tianjin 300072, Peoples R China.
APPLIED OPTICS, 2021; 60 (25): 7740