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

Table 5

Extracted center wavelength data analyzed by HHT.

Wrist rotation angle /°	Center wavelength of FBG/nm
	FBG1	FBG2	FBG3
−10	1540.31	1534.899	1530.858
−5	1540.2125	1535.0854	1530.6487
0	1540.0843	1535.2864	1530.4722
5	1539.9491	1535.4874	1530.2847
10	1539.8126	1535.653	1530.082