摘要
拼接镜面合成孔径光学系统子镜的失调将对系统成像质量造成较大影响。不同方向的子镜失调误差有不同的误差-评价函数关系,因此有各自严格的公差分配。研究重点是通过对子镜的干涉图和波前判研以及对系统的物理光学分析获得失调特征和数据,从而指导装调。对比了三种结构相似但F数和口径不同的拼接主镜形式合成孔径光学系统,对三个实际系统拼接产生的位置误差进行分析,总结出各误差对系统像质影响的规律,由此提出了类似系统的设计要点。
The segmented mirror＇s misadjustment of synthetic aperture optical system will cause serious influence,and the different directions＇ misadjustment of the segment mirror have the different functional relationship to the whole system, and have the different tolerance. The key point is study the interference pattern of sub-mirrors and the wavefront and draw conclusion in the field of physical optics to get the trait and date of the misadjustment. Here we contrast three segmented aperture optical systems which have the different F number an aperture but the same structure ,and a- nalysis the position errors of sub-mirrors of these three systems, and get the conclusion of how the position errors effect the systems＇ imagining,and get the key points of design.
出处
《激光与红外》
CAS
CSCD
北大核心
2008年第7期701-704,共4页
Laser & Infrared
关键词
拼接镜面
子镜
误差分析
失调误差
segmented mirror
sub-mirrors
error analysis
maladjustment errors
