Research Article
Ultrashort Long-Period Fiber Gratings Inscribed on a Single-Mode Fiber for Torsion Sensing Applications
Figure 4
LPFG sensor linear calibration of the (a) resonance and (b) attenuation responses for clockwise and counterclockwise axial torsion, for two LPFG lengths: 2.4 mm and 7.2 mm.
(a) |
(b) |