空间碎片天基探测相机光学系统设计

佟静波; 张宏伟; 吴建福

doi:10.3788/IRLA201645.S229004

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空间碎片天基探测相机光学系统设计

佟静波, 张宏伟, 吴建福

文章导航 > 红外与激光工程 > 2016 > 45(S2): 48-55

佟静波, 张宏伟, 吴建福. 空间碎片天基探测相机光学系统设计[J]. 红外与激光工程, 2016, 45(S2): 48-55. doi: 10.3788/IRLA201645.S229004

引用本文:

佟静波, 张宏伟, 吴建福. 空间碎片天基探测相机光学系统设计[J]. 红外与激光工程, 2016, 45(S2): 48-55. doi: 10.3788/IRLA201645.S229004

Tong Jingbo, Zhang Hongwei, Wu Jianfu. Optical system design of space-based detection camera of space debris[J]. Infrared and Laser Engineering, 2016, 45(S2): 48-55. doi: 10.3788/IRLA201645.S229004

Citation:

Tong Jingbo, Zhang Hongwei, Wu Jianfu. Optical system design of space-based detection camera of space debris[J]. Infrared and Laser Engineering, 2016, 45(S2): 48-55. doi: 10.3788/IRLA201645.S229004

空间碎片天基探测相机光学系统设计

doi: 10.3788/IRLA201645.S229004

1.
北京空间机电研究所,北京 100190

详细信息

作者简介:
佟静波(1982-),男,工程师,硕士,主要从事光机系统设计等方面的研究。Email:tjbcl@sohu.com

中图分类号: TH74

Optical system design of space-based detection camera of space debris

1.
Beijing Institute of Space Mechanics & Electricity,Beijing 100190,China

摘要: 论述了空间碎片探测的方式和特点。通过讨论天基光学探测系统的应用要求，确定了系统的技术指标，实现了对亮度不小于六等星目标的探测，目标定位精度可达3.5。通过分析，在设计过程中有效控制了视场内强光源形成的杂光影响，实现可同时观测亮暗目标的性能。系统焦距82 mm，入瞳直径70 mm，视场1010，在450~900 nm谱段范围，2 600~9 800 K色温范围内，0.85视场内像点能量质心偏差优于3m，各色温之间质心偏差优于1m，22像元内弥散斑能量集中度不大于75%，33像元内弥散斑能量集中度不小于90%。采用遮光罩和镜头结构消除杂光，通过仿真分析表明在太阳抑制角大于50时，系统PST不高于10-8量级，可以满足暗目标观测要求。
- 光学设计 /
- 天基探测 /
- 杂光分析
Abstract: The way and characteristics of space debris detection was analyzed. Based on the discussion of the requirements of space-based optical detection system, the system's technical specifications were presented. The detection of brightness higher than sixth-magnitude stars target was achieved, the target positioning precision could reach 3.5. Through the analysis, the influence of stray light which produced of the strong light source in the field of view was controlled in the design process, and the performance of the bright and dark objects could be observed simultaneously. Technical specifications of optical system were:82 mm effective focal length; 70 mm pupil diameter; 1010 field of view; under the condition of 450-900 nm wavelength range, 2 600-9 800 K color temperature range, the deviation of energy centre is better than 3m in the field of view of 0.85, the deviation of energy centre between the various temperature color is better than 1m, meanwhile, spot diagram energy concentration is greater than 75% in the 22 pixel and the spot diagram energy concentration is not less than 90% in the 33 pixel. The requirements of dark targets observation can be met by the sun to suppress the angle is greater than 50, and the PST is not higher than 10-8 which are indicated by the simulation and analysis with the design of baffles and camera lens structures.
- optical design /
- space-based detection /
- stray light analysis

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空间碎片天基探测相机光学系统设计

doi: 10.3788/IRLA201645.S229004

1. 北京空间机电研究所,北京 100190

作者简介:
佟静波(1982-),男,工程师,硕士,主要从事光机系统设计等方面的研究。Email:tjbcl@sohu.com

收稿日期: 2016-08-24
修回日期: 2016-09-27
刊出日期: 2016-12-25

中图分类号: TH74

关键词:

摘要: 论述了空间碎片探测的方式和特点。通过讨论天基光学探测系统的应用要求，确定了系统的技术指标，实现了对亮度不小于六等星目标的探测，目标定位精度可达3.5。通过分析，在设计过程中有效控制了视场内强光源形成的杂光影响，实现可同时观测亮暗目标的性能。系统焦距82 mm，入瞳直径70 mm，视场1010，在450~900 nm谱段范围，2 600~9 800 K色温范围内，0.85视场内像点能量质心偏差优于3m，各色温之间质心偏差优于1m，22像元内弥散斑能量集中度不大于75%，33像元内弥散斑能量集中度不小于90%。采用遮光罩和镜头结构消除杂光，通过仿真分析表明在太阳抑制角大于50时，系统PST不高于10-8量级，可以满足暗目标观测要求。

English Abstract

Optical system design of space-based detection camera of space debris

1. Beijing Institute of Space Mechanics & Electricity,Beijing 100190,China

Received Date: 2016-08-24
Rev Recd Date: 2016-09-27
Publish Date: 2016-12-25

Keywords:

Abstract: The way and characteristics of space debris detection was analyzed. Based on the discussion of the requirements of space-based optical detection system, the system's technical specifications were presented. The detection of brightness higher than sixth-magnitude stars target was achieved, the target positioning precision could reach 3.5. Through the analysis, the influence of stray light which produced of the strong light source in the field of view was controlled in the design process, and the performance of the bright and dark objects could be observed simultaneously. Technical specifications of optical system were:82 mm effective focal length; 70 mm pupil diameter; 1010 field of view; under the condition of 450-900 nm wavelength range, 2 600-9 800 K color temperature range, the deviation of energy centre is better than 3m in the field of view of 0.85, the deviation of energy centre between the various temperature color is better than 1m, meanwhile, spot diagram energy concentration is greater than 75% in the 22 pixel and the spot diagram energy concentration is not less than 90% in the 33 pixel. The requirements of dark targets observation can be met by the sun to suppress the angle is greater than 50, and the PST is not higher than 10-8 which are indicated by the simulation and analysis with the design of baffles and camera lens structures.