Video-rate surface profiling with acousto-optic accordian fringe interferometry

Michael S. Mermelstein; Daniel L. Feldkhun; Lyle G. Shirley

doi:10.1117/1.602342

1 January 2000 Video-rate surface profiling with acousto-optic accordian fringe interferometry

Michael S. Mermelstein, Daniel L. Feldkhun, Lyle G. Shirley

Optical Engineering, Vol. 39, Issue 1, (January 2000). https://doi.org/10.1117/1.602342

A novel, solid state, structured-light projector is developed that can adjust the spatial phase and period of projected interference fringes with unprecedented speed, repeatability, and accuracy. The projector is applied to video-rate 3-D surface profilometry using accordion fringe interferometry (AFI), a phase-measuring multiresolution active triangulation technique. We present the theory of the technology, the characterization of our prototype, and the 3-D measurement results.

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Michael S. Mermelstein, Daniel L. Feldkhun, and Lyle G. Shirley "Video-rate surface profiling with acousto-optic accordian fringe interferometry," Optical Engineering 39(1), (1 January 2000). https://doi.org/10.1117/1.602342

Published: 1 January 2000

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