Dynamic phase measurement of large deformation with speckle intererometry

Tetsuya Matsumoto; Yoichi Kitagawa; Masaaki Adachi

doi:10.1117/12.467337

18 October 2002 Dynamic phase measurement of large deformation with speckle interferometry

Tetsuya Matsumoto, Yoichi Kitagawa, Masaaki Adachi

Proceedings Volume 4902, Optomechatronic Systems III; (2002) https://doi.org/10.1117/12.467337
Event: Optomechatronic Systems III, 2002, Stuttgart, Germany

Abstract

We propose a new technique of speckle interferometry which can measure a dynamic phase change in large deformation. In this method, we use a continuous tracking approach of the deformation we proposed previously, and apply a new technique, which can measure the large deformation by eliminating a noise term not correlating to the deformation, to the approach. A 450 μm in-line deformation of an aluminum plate was successfully tracked in an experiment.

Citation Download Citation

Tetsuya Matsumoto, Yoichi Kitagawa, and Masaaki Adachi "Dynamic phase measurement of large deformation with speckle interferometry", Proc. SPIE 4902, Optomechatronic Systems III, (18 October 2002); https://doi.org/10.1117/12.467337

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