1 August 1982 Shadow And Projection Moire Techniques For Absolute Or Relative Mapping Of Surface Shapes
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Abstract
Optical methods of shadow and projection moire are particularly suitable for mapping the absolute shape of a given surface or the difference between that surface and a master one or its accidental shape change. Essentially, product moire fringes are obtained on an image plane where a "filter" grating analyzes the image of the test surface which has been "coded" by projecting a master grating on it. The article resumes the theory in a unifying approach and presents a comprehensive list of applications.
L. Pirodda, L. Pirodda, } "Shadow And Projection Moire Techniques For Absolute Or Relative Mapping Of Surface Shapes," Optical Engineering 21(4), 214640 (1 August 1982). https://doi.org/10.1117/12.7972959 . Submission:
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