Journal of Applied Optics, Volume. 44, Issue 2, 262(2023)
Design and illumination analysis of tiny-spherical microscopic optical system
Figures & Tables(11)
Fig. 2. Optical path diagram of optimized bi-telecentric optical system
Fig. 3. Linear relationship between amount of image square focus and amount of object distance change
Fig. 7. Simulation results of lighting by LED point light source array
Table 1. Optical technical indexes and detector parameters
View tableView in ArticleTable 1. Optical technical indexes and detector parameters
系统参数 指标要求 物面曲率半径/mm 4.0 物距/mm >150 放大倍率/(×) 1.8～2.0 视场范围 大于曲面90°范围 景深/mm ±0.15 波段/nm 554～566 探测器分辨率/像素 4 504×4 504 像元尺寸/μm 2.74 像质要求 物方80线对
Table 2. Amount of image square focus generated by each change of 0.05 mm of object distance
View tableView in ArticleTable 2. Amount of image square focus generated by each change of 0.05 mm of object distance
物距改变量/mm 像方调焦量/mm −0.15 0.602 −0.10 0.400 −0.05 0.199 0.00 0.00 0.05 −0.198 0.10 −0.394 0.15 −0.589
Table 3. Results of Monte Carlo tolerance analysis
View tableView in ArticleTable 3. Results of Monte Carlo tolerance analysis
蒙特卡洛样本百分比% 衍射MTF平均值 98 0.175 90 0.216 80 0.244 50 0.302 20 0.374 10 0.414
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Xiaoyin LIU, Lei YANG, Tong YANG, Xiaoqin SU, Hongbo XIE. Design and illumination analysis of tiny-spherical microscopic optical system[J]. Journal of Applied Optics, 2023, 44(2): 262
Paper Information
Category: Research Articles
Received: May. 26, 2022
Accepted: --
Published Online: Apr. 14, 2023
The Author Email: Lei YANG (yanglei@tju.edu.cn)
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