Dynamic out-of-plane deformation measurement using virtual speckle patterns

被引：20

作者：

Arai, Yasuhiko ^{[1
]}

Shimamura, Ryouichi ^{[1
]}

Yokozeki, Shunsuke ^{[2
]}

机构：

[1] Kansai Univ, Fac Engn, Dept Mech Engn, Osaka 5648680, Japan

[2] Jyouko Appl Opt Lab, Fukuoka 8118142, Japan

来源：

OPTICS AND LASERS IN ENGINEERING | 2009年 / 47卷 / 05期

关键词：

Speckle interferometry; Dynamic measurement; Out-of-plane deformation; Virtual speckle pattern; High-resolution measurement; FRINGE ANALYSIS METHOD; INPLANE DISPLACEMENT MEASUREMENT; INTERFEROMETRY; ACCURACY;

D O I：

10.1016/j.optlaseng.2008.10.010

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The novel measurement method based on the virtual speckle patterns has been reported. This method has the feature of analyzing the deformation map of an object in high resolution without any information except for speckle pattern images under a deformation process. In this paper, the method is applied to the measurement of dynamic events including a complex deformation distribution. The optical system of the method is improved in order to deal with the complex deformation distribution, which includes the increase and the decrease distributions. In experiments, the phenomenon of collision of the metal sphere on the thin polymer film is analyzed. The method can analyze the large deformation measurement of dynamic events, which cannot be measured by ordinary methods. It is confirmed that the measurement accuracy of this method even in measurements of dynamic events is high. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：563 / 569

页数：7

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