Laser & Optoelectronics Progress, Volume. 60, Issue 21, 2122004(2023)
Design of Dual-Band Optical System with Long Back Working Distance and Continuous Zoom
Fig. 1. Mechanical compensated zoom group
Fig. 2. Ideal model of initial structure of zoom system
Fig. 3. Structural layout of zoom optical system
Fig. 4. Overview of the zoom system architecture
Fig. 5. Spot diagram of visible light system. (a) Object size is 150 mm; (b) object size is 76 mm; (c) object size is 25 mm
Fig. 6. MTF of visible light system. (a) Object size is 150 mm; (b) object size is 76 mm; (c) object size is 25 mm
Fig. 7. Spot diagram of NIR Ⅱ system. (a) Object size is 150 mm; (b) object size is 76 mm; (c) object size is 25 mm
Fig. 8. MTF of NIR Ⅱ system. (a) Object size is 150 mm; (b) object size is 76 mm; (c) object size is 25 mm
Fig. 9. Motion track of zoom group and compensation group
Fig. 10. Zoom curves of zoom group and compensation group
Fig. 11. Cumulative probability of MTF in 486‒656 nm. (a) Object size is 150 mm; (b) object size is 76 mm; (c) object size is 25 mm
Fig. 12. Cumulative probability of MTF in 900‒1700 nm. (a) Object size is 150 mm; (b) object size is 76 mm; (c) object size is 25 mm
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Jinsha Wang, Yan Gong, Zhishan Gao, Hanqing Zheng, Yanwei Zhang, Luhan Wang. Design of Dual-Band Optical System with Long Back Working Distance and Continuous Zoom[J]. Laser & Optoelectronics Progress, 2023, 60(21): 2122004
Category: Optical Design and Fabrication
Received: Oct. 13, 2022
Accepted: Nov. 30, 2022
Published Online: Oct. 26, 2023
The Author Email: Gong Yan (gongy@sibet.ac.cn)