Simple method for the implementation of subaperture stitching interferometry

被引：6
作者：
Zhang, Pengfei [1 ]
Zhao, Hong [1 ]
Liu, Bingcai [1 ]
Gao, Fen [1 ]
Huang, Jin [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Peoples R China
来源：
OPTICAL ENGINEERING | 2011年 / 50卷 / 09期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
interferometry; scanning; optical testing; image reconstruction; OVERLAP-SCANNING TECHNIQUE; SURFACES; OPTICS;
D O I：
10.1117/1.3617454
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple positioning method is proposed to easily implement a circular subaperture stitching test when the tested optics can be covered by one circle subapertures. In this situation, the border of the phase data image is used to locate the position of the subapertures. The simulation results show that it can provide pixel-level positioning accuracy when the quality of the data image is good. Furthermore, an optimization algorithm is introduced to reduce the positioning error and minimize the mismatch in the overlapping area. Finally, we study the applicability of this method to a subaperture stitching test of a parabolic surface. The stitching results are consistent with the full-aperture test results. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3617454]
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页数：8
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