| 紧凑型自由曲面离轴三反系统设计 |
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| 引用本文： | 李元,李艳,何玉兰,宫经珠,王楠茜,强华,康文莉. 紧凑型自由曲面离轴三反系统设计[J]. 应用光学, 2018, 39(6): 780-784. DOI: 10.5768/JAO201839.0601003 |
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| 作者姓名： | 李元 李艳 何玉兰 宫经珠 王楠茜 强华 康文莉 |
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| 作者单位： | 西安应用光学研究所，陕西 西安 710065 |
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| 摘 要： | 针对小型化反射式光学系统的设计要求，采用新型的离轴三反光路形式和自由曲面，实现了F#为1.8，对角线视场角7.5°的紧凑型自由曲面离轴三反系统，光线在系统内多次重叠，系统波像差全视场平均值为0.017λ(λ=10 μm)。相比非球面离轴三反系统，该系统具有体积小、透过率高、大视场、无中心遮拦、多波段成像等优点。
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| 关 键 词： | 光学设计 自由曲面 波像差 离轴三反系统 |
| 收稿时间： | 2018-07-09 |
Design of compact freeform off-axis three-mirror system |
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| Affiliation: | Xi'an Institute of Applied Optics, Xi'an 710065, China |
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| Abstract: | Aiming at the design requirement of miniature reflective optical system, the new off-axis three-mirror optic path and freeform surface were adopted, the compact freeform three-mirror was realized with 1.8 F# and 7.5° diagonal field of view(FOV).The light overlaps multiple times in the system, and the full FOV average of the system wave aberration is 0.017 λ (λ= 10 μm). Compared with the aspherical off-axis three-mirror system, the system has the advantages of small size, high transmittance, large FOV, no central obscuration, and multi-band imaging, etc. |
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