[1] Wang S,Zhao D,Jiang X,et al.Laser safety monitoring considerations for the largest dam by means of the generalized three-point method.Optics and Laser Technology,2001,33(3):153~156
[4] You M,Zheng Y,Xia C H,et al. Development and application of adhesive used in OTDR (optical time district reflection) monitoring technique for dams.Proceedings of SPIE,2000,4077:414~417