Study of Three-Component FBG Vibration Sensor for Simultaneous Measurement of Vibration, Temperature, and Verticality

Table 4

Data of verticality measuring experiment.

Angle /°	Center wavelength of FBG/nm
	FBG1	FBG2	FBG3
0	1540.0843	1535.2864	1530.4722
1	1540.0578	1535.336	1530.4356
2	1540.0352	1535.3691	1530.3994
3	1540.0033	1535.4215	1530.3658
4	1539.9825	1535.4581	1530.3223
5	1539.9491	1535.4874	1530.2847