Infrared and Laser Engineering, Volume. 50, Issue 9, 20210090(2021)
Design of visible-near infrared athermal continuous zoom optical system
Figures & Tables(7)
Fig. 2. Optimization results diagram of visible-near infrared continuous zoom optical system
Table 1. Design requirements
View tableView in ArticleTable 1. Design requirements
Parameter Value Work wavelength/μm 0.48-0.68 and 0.7-0.9 Field of view (FOV)/(°) 38.1×22.0-2.5×1.4 Effective focal length/mm 8-120 F-number 5 Overall length/mm ≤90 Back focal length/mm ≥5.5 Work temperature/℃ −40-60
Table 2. MTF of the zoom optical system in 0.48-0.68 μm at −40 ℃, 20 ℃ and 60 ℃
View tableView in ArticleTable 2. MTF of the zoom optical system in 0.48-0.68 μm at −40 ℃, 20 ℃ and 60 ℃
−40 ℃ 20 ℃ 60 ℃ EFL=8 mm EFL=70 mm EFL=120 mm
Table 3. MTF of the zoom optical system in 0.7-0.9 μm at −40 ℃, 20 ℃ and 60 ℃
View tableView in ArticleTable 3. MTF of the zoom optical system in 0.7-0.9 μm at −40 ℃, 20 ℃ and 60 ℃
−40 ℃ 20 ℃ 60 ℃ EFL=8 mm EFL=70 mm EFL=120 mm
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Rui Qu, Huinan Guo, Jianzhong Cao, Jianfeng Yang. Design of visible-near infrared athermal continuous zoom optical system[J]. Infrared and Laser Engineering, 2021, 50(9): 20210090
Paper Information
Category: Optical design
Received: Feb. 4, 2021
Accepted: --
Published Online: Oct. 28, 2021
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