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요약정보
基于像差特征分析的变焦光学系统装调 / Alignment of zoom optical system based on aberration feature analysis
Resource Type
Academic Journal
Authors
赵岳
;
李华
;
康世发
;
秦星
;
郭惠楠
;
ZHAO Yue
;
LI Hua
;
KANG Shifa
;
QIN Xing
;
GUO Huinan
Source
应用光学 / Journal of Applied Optics
. 41(2):389-393
Subject
光学装调
变焦系统
定心装配
敏感元件
像差分析
Language
Chinese
ISSN
1002-2082
Online Access
Scopus
Find it @ DONGA
초록
提出了一种基于像差特征分析的变焦系统共轴性装调方法.针对某型20倍变焦光学系统的装调,在分析变焦光学系统装调要求的基础上,通过采用光学定心加工技术,提高变焦系统各镜组内光学元件的同轴度;采用Zygo干涉仪,检测变焦系统在长短焦位置的像差特性分布;借助CodeV软件仿真计算各光学元件在系统中的公差灵敏度分布,并确定产生像差影响的敏感光学元件;在中心偏测量仪上,完成最终光学系统像质的调整.此外,还设计了一种变焦光学系统各动组间同轴度调试装置,对变焦相机主镜筒机械内孔轴线与直线导轨的平行性进行了精确测量,保证了动组组元光轴的同轴精度.装调结果表明:变焦系统成像质量有明显改善,像面一致性得到保证,长短焦轴上传递函数值分别优于技术要求值0.45和0.55,长短焦轴外0.7视场传递函数值优于0.25和0.35,实现了高精度装调,验证了该方法的可靠性.
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