| 红外双波段卡塞格林光学系统设计 |
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| 引用本文： | 樊学武,马臻,陈荣利,李英才. 红外双波段卡塞格林光学系统设计[J]. 光子学报, 2003, 32(4): 463-465 |
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| 作者姓名： | 樊学武 马臻 陈荣利 李英才 |
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| 作者单位： | 中国科学院西安光学精密机械研究所空间光学室,西安,710068 |
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| 摘 要： | 定性地论述了卡塞格林系统设计中焦距、场镜焦距和后工作距离大小的选择.并论述了在设计中主、次镜必须根据设计结果的分析,调整主、次镜的半径和间隔,从而使后工作距离,遮栏比都能满足设计要求,最终使系统能够获得最优的设计性能以满足设计需要,在系统的垂轴像差难以消除时,也需考虑变换系统的光栏位置.
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| 关 键 词： | 卡塞格林 焦距 场镜 像差 |
| 收稿时间： | 2002-11-21 |
| 修稿时间： | 2002-11-21 |
The Design of Cassegrain Optic System for Double Infrared Wavebands |
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| Fan Xuewu,Ma Zhen,Chen Rongli,Li Yingcai. The Design of Cassegrain Optic System for Double Infrared Wavebands[J]. Acta Photonica Sinica, 2003, 32(4): 463-465 |
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| Authors: | Fan Xuewu Ma Zhen Chen Rongli Li Yingcai |
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| Affiliation: | Space Optics Laboratory, Xi′an Institute of Optics and Precision Mechanics. CAS.Xi′an 710068 |
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| Abstract: | The author presents the relationship of focal length of Cassegrain, focal length of field mirror and back focal length from qualitative analysis, and also presents that the primary and secondary mirror must change their radiuses and distances according to the design results so as to make the obscuration and back focal length to meet the damands. The final goal is to make the system to achieve the better image to meet the design demand. When it is difficult to correct the transverse aberration,the position of aperture stop can be changed. |
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| Keywords: | Cassegrain Focal length Field mirror Aberrantion |
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