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24 October 2017 Design of an off-axis reflective zoom optical system
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Proceedings Volume 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications; 104623M (2017)
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
With the limit of optical materials, it is difficult to design zoom optical systems which have long focal length by refractive systems with a simple configuration. All-reflective zoom optical systems could be lightweighted, compact and free of chromatic aberrations, and reflective optical systems can be unobscured by off-axis mirrors and have very good application foreground. In this paper, an all-reflective zoom optical system was designed, the all-reflective zoom optical system worked in the band of 400~1000nm, the diameter of the pupil was 100mm, the F number was 6~15, focal length varied from 600~1500mm, field of view (FOV) was 2°×0.8°~0.8°×0.48°. The pixel size of detector was 10×10μm. The result showed that MTF was higher than 0.3 at 50lp/mm and the quality of the optical system approached the diffraction limit, which met the design demand.
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Zhanli Guo, Hongtao Yang, Chao Mei, and Aqi Yan "Design of an off-axis reflective zoom optical system", Proc. SPIE 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications, 104623M (24 October 2017);

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