Linghong Liu, Yun Feng, Liuhua Nong, Xuehui Tang. Three-Magnification Double-Telecentric Optical System and Effect of Field on Optical Design[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0722002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 7, 0722002 (2022)
Fig. 1. Sketch map of double-telecentric system
Fig. 2. System initial structural diagram
Fig. 3. Outline drawing of optical system
Fig. 4. Light path diagram of the three-magnification double-telecentric system
Fig. 5. MTF plots. (a)-0.11×; (b)-0.44×; (c)-0.24×
Fig. 6. Spot diagrams. (a)-0.11×; (b)-0.44×; (c)-0.24×
Fig. 7. System distortion when magnification is -0.11. (a) Field curvature /distortion; (b) grid distortion
Fig. 8. System distortion when magnification is -0.44. (a) Field curvature /distortion; (b) grid distortion
Fig. 9. System distortion when magnification is -0.24. (a) Field curvature/distortion; (b) grid distortion
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Table 1. Technical indexes of the telecentric optical system
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Table 2. System telecentricity
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Table 3. The worst performance when magnification is -0.11
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Table 4. MTF and tolerance analysis when magnification is -0.11
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Table 5. The worst performance when magnification is -0.44
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Table 6. MTF and tolerance analysis when magnification is -0.44
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Table 7. The worst performance when magnification is -0.24
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Table 8. MTF and tolerance analysis when magnification is -0.24
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