1 June 1979 Optical Correlation Of Surface Displacement
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Abstract
A coherent optical correlation technique is used to measure surface displacements. In the event that the surface roughness of the test object is invariant during the object's translation, the correlation intensity peak remains constant. A simple relationship between the displacement of the surface and the displacement of the peak correlation signal is found and experimentally verified.
Robert B. Owen, Hua-Kuang Liu, "Optical Correlation Of Surface Displacement," Optical Engineering 18(3), 183266 (1 June 1979). https://doi.org/10.1117/12.7972365 . Submission:
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