Distortion correction of all-reflective unobscured optical-power zoom objective

被引：9
|
作者：
Seidl, Kristof [1 ]
Knobbe, Jens [1 ]
Schneider, Danilo [2 ]
Lakner, Hubert [1 ]
机构：
[1] Fraunhofer Inst Photon Microsyst, D-01109 Dresden, Germany
[2] Tech Univ Dresden, Inst Photogrammetry & Remote Sensing, D-01062 Dresden, Germany
来源：
APPLIED OPTICS | 2010年 / 49卷 / 14期
关键词：
CAMERA CALIBRATION; MODELS;
D O I：
10.1364/AO.49.002712
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the correction of distortion for a novel type of an all-reflective zoom objective. The all-reflective unobscured optical-power zoom (OPZ) objective with four mirrors has been previously designed and presented. The magnification of the OPZ can be varied by changing the curvatures of the first and the last mirror, which results in a zoom factor of 3. However, the objective exhibits significant distortion. For the unobscured design principle, we present the basic distortion model with its different types of distortion. Based on simulation data of the objective design, we optimized the parameters of the model and verified that model by applying it to images taken with the objective. (C) 2010 Optical Society of America
引用
收藏
页码：2712 / 2719
页数：8
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