大孔径大靶面昼夜型监控镜头光学系统设计

黄文华, 林峰

黄文华, 林峰. 大孔径大靶面昼夜型监控镜头光学系统设计[J]. 应用光学, 2016, 37(1): 45-51. DOI: 10.5768/JAO201637.0101008
引用本文: 黄文华, 林峰. 大孔径大靶面昼夜型监控镜头光学系统设计[J]. 应用光学, 2016, 37(1): 45-51. DOI: 10.5768/JAO201637.0101008
shu
Huang Wen-hua, Lin Feng. Design of day and night lens with large aperture and sensor[J]. Journal of Applied Optics, 2016, 37(1): 45-51. DOI: 10.5768/JAO201637.0101008
Citation: Huang Wen-hua, Lin Feng. Design of day and night lens with large aperture and sensor[J]. Journal of Applied Optics, 2016, 37(1): 45-51. DOI: 10.5768/JAO201637.0101008
shu

大孔径大靶面昼夜型监控镜头光学系统设计

  • 福建师范大学 光电与信息工程学院,医学光电科学与技术教育部重点实验室,福建 福州 350007

基金项目: 

福建省科技厅重点项目（2013H0022）;福州市科技计划项目（2014-G-68）

详细信息
    作者简介:

    黄文华（1989-），男，福建漳州人，硕士研究生，主要从事光学设计方面的研究。Email: 850414409@qq.com

    通讯作者:

    林峰,Email: lfeng127@163.com

  • 中图分类号: TN946,1

Design of day and night lens with large aperture and sensor

  • Key Laboratory of Optoelectronic Science and Technology for Medicine (Ministry of Education),College of Photoelectric and Information Engineering,Fujian Normal University,Fuzhou 350007,China

摘要

    摘要
  • 摘要: 为了满足交通监控对图像质量不断提高的要求，设计了一款大孔径、大靶面、昼夜型光学系统。采用近对称结构，调整第一组元结构参数，平衡昼夜共焦面的设计思路，较好地控制了垂轴像差和离焦量，实现了大孔径、大靶面、昼夜型光学系统的设计要求。成像系统对可见光和近红外波长0.79 m进行了双重组结构优化设计，实现了日夜离焦量小于0.005 mm，在空间频率为130 lp/mm时，全视场MTF＞0.3。对该光学系统进行容差分析和讨论，提出把控元件偏心公差可有效抑制由于生产制造使得实际成像和理论成像偏差过大等问题。
    Abstract: Aiming at the increasing requirements of image quality in traffic monitoring, a day-and-night optical system with large aperture and big target plane was designed. Through using the near-symmetric configuration, the design idea for adjustmenting the structural parameters of the first component and balancing day-and-night confocal plane was adopted to realize a large aperture and sensor optical system with excellent controlling of the vertical axis aberration and defocus amount. The multi-configuration optimization design was conducted in visible wavelengths and near-infrared wavelength of 0.79um. The day-and-night defocus amount of less than 0.005 mm could be achieved, the modulation transfer function (MTF) in full field of view is beyond 0.3 at the spatial frequency of 130 lp/mm in full field. Moreover,tolerance analysis and discussion for the optical system were done, and the deciding tolerance was suggested to be controlled for reducing the big deviation between- actual image and theoretical image resulted from manufacturing and producting.
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