| 新型紧凑型大相对孔径可见光光学系统 |
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| 引用本文： | 王虎,罗建军.新型紧凑型大相对孔径可见光光学系统[J].红外与激光工程,2014,43(3):851-855. |
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| 作者姓名： | 王虎 罗建军 |
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| 作者单位： | 1.西北工业大学航天学院,陕西西安710072; |
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| 摘 要： | 针对空间碎片探测相机光学系统的使用要求，借助衍射光学元件特殊的消色差和消热差特性，提出了一种结构紧凑、成像质量良好的大相对孔径空间碎片探测相机光学系统结构，解决了以往该类系统相对孔径小、结构复杂等不足的问题，给出了100mm 焦距，1/1.5 相对孔径，6对角线视场的设计实例,并进行了像质评估,该结构可满足空间碎片探测相机光学系统对能量集中度、弥散斑直径、垂轴色差、畸变、热差等像差的要求。结果表明，衍射光学元件的使用实现了系统轻量化、小型化、高像质的设计要求，大大提高了该空间碎片探测相机的成像性能，为该类系统的设计提供了一种新的思路。
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| 关 键 词： | 相机 非球面 衍射光学 |
| 收稿时间： | 2013-07-05 |
A novel compact large relative aperture visible optical system |
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| Affiliation: | 1.School of Astronautics,Northwestern Polytechnical University,Xi'an 710072,China;2.Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi'an 710119,China |
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| Abstract: | Based on the special chromatic aberration and thermal aberration of diffractive optical element, which are used in optical system of visible camera for space debris, a novel compact and good image quality large relative aperture space debris camera optical system was designed. The novel system solved the problem that the conventional system had small relative aperture and complex structure. The novel system had an effective focal length of 100 mm, a relative aperture of F/1.5, a field of view of 6. The system met the requirements of visible space debris camera in encirc energy, the dispersion spot diameter, lateral color, distortion, athermalization and so on. This novel system had light weight, compact structure and good image quality by using diffractive optical element, which provided a new idea for designing visible space debris camera optical system. |
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