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Recent advances in 3-D surface measurement

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Abstract

Several engineering applications require a fast and accurate means of measuring and characterizing surfaces in three dimension. Optical gauging techniques offer unique advantages in terms of measurement accuracy, large dynamic range, and measurement speed. In this paper two different optical techniques that utilize the recent availability of solid-state photodiode arrays and microprocessors to automate well-established optical measurement concepts are described.

© 1981 Optical Society of America

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