Optical configuration for TV holography measurement of in-plane and out-of-plane deformations

被引:11
|
作者
Mohan, NK [1 ]
Andersson, A
Sjödahl, M
Molin, NE
机构
[1] Indian Inst Technol, Dept Phys, Appl Opt Lab, Madras 600036, Tamil Nadu, India
[2] Lulea Univ Technol, Div Expt Mech, SE-97187 Lulea, Sweden
关键词
D O I
10.1364/AO.39.000573
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A novel TV holography method is proposed for parallel evaluation of in-plane and out-of-plane deformation fields. The method permits a trade-off between in-plane and out-of-plane measuring sensitivity. A four-exposure, four-frame phase shifting technique is used in the experiments; the experimental results for an aluminum specimen subjected to both rotation in its own plane and a bending couple load at the center are presented. (C) 2000 Optical Society of America.
引用
收藏
页码:573 / 577
页数:5
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