Peng Cui, Wentao Zhang, Ying Song. High resolution inclinometer based on vertical pendulum and fiber Bragg grating Fabry–Perot cavity[J]. Chinese Optics Letters, 2018, 16(11): 110603
- Chinese Optics Letters
- Vol. 16, Issue 11, 110603 (2018)
Fig. 1. Structure of the pendulum-based inclinometer and the blade-edge-type rotation structure.
Fig. 2. Schematic diagram of the pendulum-based inclinometer.
Fig. 3. Spectra of the two FBG-FPs.
Fig. 4. Sensitivity versus the distance l
Fig. 5. Experimental setup of the inclinometer.
Fig. 6. Relationship between the wavelength separation and tilt angle.
Fig. 7. Wavelength separation during the temperature fluctuation over 10 min.
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Table 1. Parameters Used in the Configuration
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