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