1 August 1982 High Resolution Moire Photography
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Abstract
Deformations of engineering structures are measured by applying a fine grid pattern to the surface and photographing this in white light with a specially modified 35 mm camera. The processed negatives are analyzed in a spatial filtering system to produce moire fringe maps which represent in detail the three-dimensional displacements that have occurred. Measurements have been obtained from brick built and concrete structures, from steel surfaces heated to 600°C, and from plastic and composite materials.
J. M. Burch, C. Forno, "High Resolution Moire Photography," Optical Engineering 21(4), 214602 (1 August 1982). https://doi.org/10.1117/12.7972955 . Submission:
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