Retroreflective grating analysis versus physical measurements of surface contour

XianZhu Zhang; Walter P. T. North

doi:10.1117/1.601661

1 May 1998 Retroreflective grating analysis versus physical measurements of surface contour

XianZhu Zhang, Walter P. T. North

Optical Engineering, Vol. 37, Issue 5, (May 1998). https://doi.org/10.1117/1.601661

The technique of retroreflective grating analysis is presented to measure surface contour. This noncontacting optical method can detect a dent with maximum depth less than 10 mm. A comparison with some physical measuring systems indicates that it has advantage over such contacting measurements, especially for specular surfaces.

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XianZhu Zhang and Walter P. T. North "Retroreflective grating analysis versus physical measurements of surface contour," Optical Engineering 37(5), (1 May 1998). https://doi.org/10.1117/1.601661

Published: 1 May 1998

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