连续变焦大气相干长度测量系统设计

李广; 汪建业; 邵慧; 徐鹏

连续变焦大气相干长度测量系统设计

1.
中国科学院安徽光学精密机械研究所中国科学院大气成分与光学重点实验室,安徽合肥 230031

详细信息

通讯作者:
李广（1988-），男，安徽亳州人，硕士，主要从事光机设计工作。

中图分类号: TN942.2; TH743
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出版历程
- 刊出日期: 2012-05-15

Continuous zoom measurement system for atmospheric coherence length

1.
Key Laboratory of Atmospheric Composition and Optical Radiation,Anhui Institute of Optics and Fine Mechanics,CAS,Hefei 230031,China

摘要

摘要: 望远镜在大气光学参数测量中起到至关重要的作用，测量方法是通过跟踪恒星或者信标实时测量数据。基于不同速度信标的移动特点，需要设计3 m~6 m变焦大气相干长度测量系统用于大气相干长度的测量，设计波段为可见光486 nm~656 nm，探测元全视场11 mm，入瞳直径300 mm。利用光学设计软件设计出一款折返式变焦望远系统，光学结构由卡式望远系统和三组元机械补偿式连续变焦系统组成,系统结构简单，成本低，凸轮曲线平滑，压力升角均小于45。系统可对变焦焦距数据实时输出，适合于快速和慢速不同场合下实时进行大气参数测量。
- 变焦系统 /
- Zemax /
- 光学设计 /
- 望远系统
Abstract: Telescope is important to measure atmosphere optical parameters by tracking star or beaconing to measure data in real time. Based on the moving characteristics of beaconing at different speeds, design of a continuous zoom measurement system for atmospheric coherence length was required. The designed focal length of the system was 3 m~6 m, the wavelength was 486 m~656 m, the charge coupled device (CCD) size was 11mm and the entrance pupil diameter was 300mm. By using optical design software, a catadioptric zoom telescope system was designed which consisted of a Cassegrain telescope and three-component mechanically compensated zoom system. The optical zoom system has high quality, simple structure, low cost and smooth cam curve, and all the pressure rise angles are no more than 45. It can output real-time zoom data of focus length and is suitable for measuring the atmosphere coherent length real-timely on the occasion of high and low speeds.
- zoom system /
- Zemax /
- optical design /
- telescope system

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参考文献(1)

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