Qi Ouyang, Mengyao Liu, Yan Ning, Jie Cao, Qun Hao, Yang Cheng. Design of a Compact Infrared Continuous Optical Zoom System Based on Alvarez Lenses[J]. Laser & Optoelectronics Progress, 2024, 61(10): 1022001
- Laser & Optoelectronics Progress
- Vol. 61, Issue 10, 1022001 (2024)
Fig. 1. Schematic diagram of the Alvarez lenses
Fig. 2. Varifocal schematic diagrams of the Alvarez lenses. (a) The focal power is 0; (b) the focal power is more than 0; (c) the focal power is less than 0
Fig. 3. Initiating structure analysis of the optical zoom system using thin lens zoom principle
Fig. 4. 3D views of the infrared continuous optical zoom system based on Alvarez lenses
Fig. 5. The relationship between the optical magnification and the lateral displacement of two sets of Alvarez lenses
Fig. 6. Standard point column diagrams under different configurations
Fig. 7. MTF curves and field curve/distortion diagrams under different configurations. (a) (c) (e) MTF curves at 5 ×, 10 ×, 15 ×; (b) (d) (f) field curvature/distortion diagrams at 5 ×, 10 ×, 15 ×
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Table 1. Design indicators of infrared continuously optical zoom system
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Table 2. Characteristic parameters of two sets of Alvarez lenses
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Table 3. The tolerance operand selected by the optical zoom system
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Table 4. Estimated radius of spot RMS under different configurations for tolerance analysis
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Table 5. Analysis of lateral displacement offset error at different magnifications
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