| 拼接式合成孔径光学系统的失调误差分析研究 |
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| 引用本文： | 邓键,张伟,左保军,刘剑峰.拼接式合成孔径光学系统的失调误差分析研究[J].光学技术,2007,33(1):130-133. |
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| 作者姓名： | 邓键 张伟 左保军 刘剑峰 |
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| 作者单位： | 哈尔滨工业大学,空间光学工程研究中心,哈尔滨,150001 |
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| 摘 要： | 拼接式合成孔径光学系统对系统误差分配有特殊要求,子镜失调将严重改变波前分布,影响系统成像。对一个拼接镜面的卡式原理演示系统进行了误差分析论证,并使用ZYGO干涉仪进行实测。结果表明,拼接镜面的波前误差RMS值和PV值有特殊关系,但在一定范围内仍可获得较好的MTF曲线。
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| 关 键 词： | 成像光学 太空望远镜 拼接镜面 误差分析 光程差 |
| 文章编号： | 1002-1582(2007)01-0130-04 |
| 收稿时间： | 2006/1/12 |
| 修稿时间： | 2006年1月12日 |
Misadjustment tolerance study of the sub-mirror's for segmented mirror synthetic aperture optics |
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| DENG Jian,ZHANG Wei,ZUO Bao-jun,LIU Jian-feng.Misadjustment tolerance study of the sub-mirror''''s for segmented mirror synthetic aperture optics[J].Optical Technique,2007,33(1):130-133. |
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| Authors: | DENG Jian ZHANG Wei ZUO Bao-jun LIU Jian-feng |
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| Abstract: | Segmented mirror synthetic aperture optics(SAO) systems have special requirements of tolerance budget.The misadjustment errors of sub-mirrors make the wavefront change heavily,and influence the imagining badly.An experimental demonstration system was built,which is a Cassegrin-type telescope,and the primary mirror is consisted of three sub-mirrors.ZYGO interferometer was used to sample the system's wavefront.The key point is to study the misadjustment tolerance budget.The results show that misadjustment error will change the wavefront heavily and have special relationship between PV and RMS of wave aberration.However,in some situation,the system still can get a rather good MTF curve. |
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| Keywords: | imaging optics space telescope segmented mirror sub-mirrors misadjustment tolerance |
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