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In-plane deformation measurement using holographic moiré |
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| Authors: | P. K. Rastogi M. Spajer J. Monneret |
| Affiliation: | Laboratoire de Physique Générale et Optique, Université de Franche-Comté, 25030 Besancon, Cedex, France |
| Abstract: | The present paper analyses the factors affecting the quality of the moiré fringes for an arbitrary displacement and deformation of the object surface. Methods for the generation of auxiliary fringes are considered and their localisation is investigated. The physical significance of speckle displacement, both in the image plane and in the pupil plane, is pointed out. |
| Keywords: | Present address: Swiss Federal Institute of Technology Laboratory of Stress Analysis CH-1015 Lausanne Switzerland. |
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