Field Shift Moire, A New Technique For Absolute Range Measurement

Albert Boehnlein; Kevin Harding

doi:10.1117/12.962775

20 November 1989 Field Shift Moire, A New Technique For Absolute Range Measurement

Albert Boehnlein, Kevin Harding

Proceedings Volume 1163, Fringe Pattern Analysis; (1989) https://doi.org/10.1117/12.962775
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

A new and novel technique is discussed that provides non-contact high resolution absolute measurements with moire interferometry. Field shift moire provides both a course absolute measurement and a high resolution relative measurement similar to a vernier caliper. Combining these measurements yields absolute high-resolution range information.

Citation Download Citation

Albert Boehnlein and Kevin Harding "Field Shift Moire, A New Technique For Absolute Range Measurement", Proc. SPIE 1163, Fringe Pattern Analysis, (20 November 1989); https://doi.org/10.1117/12.962775

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