Pan-Wei ZHOU, Yang YU, Fan-Ming LI, Xi-Sheng YE. An infrared zoom imaging system with large zoom ratio based on linear motion mechanism[J]. Journal of Infrared and Millimeter Waves, 2023, 42(6): 843
- Journal of Infrared and Millimeter Waves
- Vol. 42, Issue 6, 843 (2023)
Fig. 1. The optical structure of the infrared zoom lens
Fig. 2. The zoom motion curves
Fig. 3. The principle of the system structure
Fig. 4. The system optical diagram
Fig. 5. The general structure of the imaging system (a) the imaging system model, (b) the front view of the imaging system, (c) the cutaway view of the imaging system
Fig. 6. The finite element analysis of the system structure (a) the mesh generation, (b) the structural stress, (c) the structural displacement
Fig. 7. The laboratory imaging of the imaging system (a) the laboratory imaging, (b) focal length 6 mm, (c) focal length 40 mm, (d) focal length 80 mm, (e) focal length 120 mm, (f) focal length 168 mm, (g) focal length 210 mm, (h) focal length 250 mm, (i) focal length 290 mm, (j) focal length 330 mm
Fig. 8. The outfield imaging of the imaging system (a) the outfield imaging, (b) focal length 40 mm, (c) focal length 168 mm, (d) focal length 250 mm, (e) focal length 330 mm
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Table 1. The optical parameters of the imaging system
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