Xiaobin Hua, Xiaoxia Ruan, Shiqun Hua. Low-Cost Measurement of Roundness Error of Plano-Convex Lens with Large Curvature Radius[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0312009
- Laser & Optoelectronics Progress
- Vol. 62, Issue 3, 0312009 (2025)
Fig. 1. Plano-convex lens
Fig. 2. Newton's ring device
Fig. 3. Schematic diagram of measuring system
Fig. 4. Interference pattern
Fig. 5. Least square circle method
Fig. 6. Measurement device diagram
Fig. 7. Microscope double reading rulers
Fig. 8. Schematic diagram of positioning
Fig. 9. Measurement tangent position of interference ring
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Table 1. Measuring point data table
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