Junyu YAO, Min CHANG, Xuejing LIU, Xiantong YU. Velocity detection based on superpised vortex beams' Doppler effect[J]. Optical Instruments, 2023, 45(4): 54
- Optical Instruments
- Vol. 45, Issue 4, 54 (2023)
Fig. 1. Skew angle between Poynting vector and its optical axis
Fig. 2. Deviation between the optical axis and the spinning center
Fig. 3. |1
+|4
Superposed Bessel-Gaussian beams detecting spinning object
|1
+|4
的叠加态的贝塞尔高斯光束对旋转物体探测
Fig. 4. Vortex beams detect a spinning object with linear velocity
Fig. 5. Vortex beams detect the Doppler effect caused by complex motion
Fig. 6. Beat frequency in multi-OAM mode vortex beam detection compound motion
Fig. 7. Motion of object portrayed by superposed vortex beams
Fig. 8. Doppler effect caused by transverse motion
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