Design of refocusing system for a high-resolution space TDICCD camera with wide-field of view

Shiliang Lv; Jinguo Liu

doi:10.1117/12.2205748

8 October 2015 Design of refocusing system for a high-resolution space TDICCD camera with wide-field of view

Shiliang Lv, Jinguo Liu

Proceedings Volume 9677, AOPC 2015: Optical Test, Measurement, and Equipment; 96772R (2015) https://doi.org/10.1117/12.2205748
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

This paper describes the design and realization of a refocusing system for a space TDICCD camera of 2.2-meter focal length, which, features a three mirror anastigmatic(TMA) optical system along with 8 TDICCDs assemble at the focal plane, is high resolution and wide field of view. TDICCDs assemble is a kind of major method of acquiring wide field of view for space camera. In this way, the swath width reach 60km. First, the design of TMA optical system and its advantage of this space TDICCD camera was introduced; Then, the refocusing system as well as the technique of mechanical interleaving assemble for TDICCDs focal plane of this space camera was discussed in detail, At last, the refocusing system was measured. Experimental results indicated that the precision of the refocusing system is ± 3.12μm(3σ), which satisfy the refocusing control system requirements of higher precision and stabilization.

Citation Download Citation

Shiliang Lv and Jinguo Liu "Design of refocusing system for a high-resolution space TDICCD camera with wide-field of view", Proc. SPIE 9677, AOPC 2015: Optical Test, Measurement, and Equipment, 96772R (8 October 2015); https://doi.org/10.1117/12.2205748

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