Wu Sun, Jianguo Liu, Huaqiao Gui, Anli Lu, Huanqin Wang, Yihuai Lu. Simultaneous measurement of vibration amplitude and rotation angle based on a single-channel laser self-mixing interferometer[J]. Chinese Optics Letters, 2016, 14(2): 021201
- Chinese Optics Letters
- Vol. 14, Issue 2, 021201 (2016)
Fig. 1. Schematic of the experimental setup: optical fiber circulator (OC), optical fiber focuser (OF), loudspeaker (LS), laser diode (LD), and mirror (M).
Fig. 2. Typical LSM signal: (a) waveform, and (b) power spectrum.
Fig. 3. Linear fitting of (a) number of fringes N A 0 f i i = 1 , 2 A 0
Fig. 4. Experimental waveforms for various values of θ
Fig. 5. Experimental P dif θ
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