Table 1.

FBG peak wavelength measured at 20 °C. The peak wavelength of the sensors has been selected to fit in the bandwidth of the optical interrogator, and they were designed with a nominal distance of 5 nm.

Sensor	Peak Wavelength (nm)	Standard Deviation (nm)
T1	1534.61	±0.03
T2	1539.947	±0.006
T3	1550.049	±0.007
T4	1539.970	±0.005
T5	1544.99	±0.03
T6	1549.710	±0.004