Xu JIA, Sen HAN, Quanying WU. Design of control system for double optical path interferometry[J]. Journal of Applied Optics, 2023, 44(4): 842
- Journal of Applied Optics
- Vol. 44, Issue 4, 842 (2023)
Fig. 1. Schematic diagram of optical path for dual-optical path interferometry
Fig. 2. Composition diagram of control system for dual-optical path interferometry
Fig. 3. Flow chart of system debugging for dual-optical path interferometry
Fig. 4. Interference fringe images in actual measurement
Fig. 5. Flow chart of switching structure
Fig. 6. Structure diagram of position limit protection
Fig. 7. Schematic diagram of calibration
Fig. 8. Relationship between speckle contrast and rotational speed of frosted glass
Fig. 9. Relationship between fringe contrast and rotational speed of frosted glass
Fig. 10. Relationship between fringe signal-to-noise ratio and rotational speed of frosted glass
Fig. 11. Relationship between voltage and rotational speed of frosted glass
Fig. 12. Relationship between voltage and interference fringe
Fig. 13. Man-machine interaction interface
Fig. 14. Contrast measurement results of frosted glass
Fig. 15. 100 mm aperture two switch measurement results
Fig. 16. 450 mm aperture two switch measurement results
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