Three-dimensional topometry with stereo microscopes

Robert Windecker; Matthias Fleischer; Hans J. Tiziani

doi:10.1117/1.601576

1 December 1997 Three-dimensional topometry with stereo microscopes

Robert Windecker, Matthias Fleischer, Hans J. Tiziani

Optical Engineering, Vol. 36, Issue 12, (December 1997). https://doi.org/10.1117/1.601576

A stereo microscope arrangement used for visual quality inspection is extended to a fast 3-D topometer using the fringe projection technique. With specially designed binary gratings, an ideal sinusoidal intensity distribution can be achieved for an optimized illumination. Using a two-grating technique, the unambiguity range can be increased significantly. Thus, various applications can be solved with this method as is discussed. The resolution that can be achieved depends on the field of view, which at a large magnification is below 0.2 ?m.

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Robert Windecker, Matthias Fleischer, and Hans J. Tiziani "Three-dimensional topometry with stereo microscopes," Optical Engineering 36(12), (1 December 1997). https://doi.org/10.1117/1.601576

Published: 1 December 1997

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