Advances in Materials Science and Engineering

Research Article

Influence of Humidity on Fiber Bragg Grating Sensors

Table 2

Bragg wavelength shifts and equivalent temperature variation obtained at different measurement conditions for each FBG sensor.


(°C)		FBG_1	FBG_2	FBG_TEMP

70	(nm)	1552.495	1573.562	1525.716
	(nm)	1552.567	1573.477	1525.698
	(nm)	0.072	−0.085	−0.018
	(°C)	3.03	−3.74	−0.72

60	(nm)	1552.374	1573.319	1525.438
	(nm)	1552.460	1573.219	1525.420
	(nm)	0.087	−0.100	−0.018
	(°C)	3.63	−4.45	−0.69

50	(nm)	1552.280	1573.049	1525.161
	(nm)	1552.353	1572.974	1525.150
	(nm)	0.051	−0.055	−0.010
	(°C)	2.12	−2.85	−0.40

40	(nm)	1552.173	1572.806	1524.888
	(nm)	1552.257	1572.720	1524.881
	(nm)	0.053	−0.047	−0.005
	(°C)	2.21	−2.08	−0.20

30	(nm)	1552.064	1572.572	1524.623
	(nm)	1552.152	1572.475	1524.614
	(nm)	0.089	−0.097	−0.008
	(°C)	3.71	−4.29	−0.34

22	(nm)	1551.985	1572.377	1524.415
	(nm)	1552.076	1572.285	1524.407
	(nm)	0.091	−0.092	−0.008
	(°C)	3.83	−4.06	−0.30

10	(nm)	1551.898	1572.065	1524.102
	(nm)	1551.953	1572.008	1524.092
	(nm)	0.055	−0.058	−0.010
	(°C)	2.29	−2.55	−0.40