Truly Distributed Optical Fiber Sensors for Structural Health Monitoring: From the Telecommunication Optical Fiber Drawling Tower to Water Leakage Detection in Dikes and Concrete Structure Strain Monitoring

Table 1

Example of compared performances obtained with the described procedure for 7 devices, for an acquisition time of 5 minutes, at a distance of 4 km and at a temperature of 20^∘C.

Raman device no.	Repeatability ^∘C	Error ^∘C
A	0.06	<0.1
B	0.11	−0.2
C	0.11	−0.2
D	0.29	4.6
E	0.43	−0.4
F	0.57	−0.2
G	0.58	0.6