中国激光, 2013, 40 (9): 0916003, 网络出版: 2013-08-27   

天基紫外跟踪详查光学系统设计

Optical Design of Space-Based Ultraviolet Tracking and Detailed Reconnaissance System
作者单位
中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033
摘要
为满足天基紫外跟踪观测需求,设计了一套紫外跟踪详查系统,该系统由跟踪相机与详查相机两部分组成。利用望远系统与中继透镜结合的方式实现双视场与双角分辨率。望远系统采用曼金卡塞格林结构,口径为100 mm,焦距为605 mm。跟踪系统波段范围为250~400 nm,跟踪相机视场为2.5°×1.9°,角分辨率优于180 μrad,详查相机波长范围为200~360 nm,视场角为0.15°×0.11°,角分辨率优于13 μrad。利用光学软件设计并进行分析,跟踪相机与详查相机各视场调制传递函数分别高于0.9和0.8,满足设计指标要求。
Abstract
A tracking and detailed reconnaissance system is designed for space-based ultraviolet (UV) tracking requirement. The system consists of two parts, tracking camera and detailed reconnaissance camera. Dual field of view and dual angular resolution are achieved by combining telescope system and relay lens. The telescope system is Mangin-Cassegrain structure, with diameter of 100 mm, focal length of 605 mm. For the tracking camera, the wavelength range is 250~400 nm, the field of view is 2.5°×1.9°, and the angular resolution is better than 180 μrad. For the detailed reconnaissance camera, the wavelength range is 200~360 nm, the field of view is 0.15°×0.11°, and the angular resolution is better than 13 μrad. The modulation transfer function (MTF) of tracking camera is better than 0.9, and the MTF of detailed reconnaissance camera is better than 0.8. The results meet the requirements of specifications through the design and optical software analysis.

李博, 王淑荣, 王俊博. 天基紫外跟踪详查光学系统设计[J]. 中国激光, 2013, 40(9): 0916003. Li Bo, Wang Shurong, Wang Junbo. Optical Design of Space-Based Ultraviolet Tracking and Detailed Reconnaissance System[J]. Chinese Journal of Lasers, 2013, 40(9): 0916003.

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