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

Table 3

Experiment data in first heating procedure.

Temperature/°C	Center wavelength of FBG/nm
	FBG1	FBG2	FBG3
20	1540.400517	1534.314647	1530.703881
25	1540.553308	1534.40965	1530.749724
30	1540.609982	1534.470089	1530.804002
35	1540.666616	1534.529987	1530.860776
40	1540.724015	1534.593595	1530.918992
45	1540.780719	1534.657476	1530.979152
50	1540.838631	1534.72566	1531.039742
55	1540.897591	1534.797819	1531.100086
60	1540.952174	1534.864976	1531.129372