Abstract
An imaging system of laser-scanning type is described, which can be used to measure 3-D profiles of an object in real-time. The system is composed of a confocal optical arrangement with two slits and two detectors. The division processing of the signals from the two detectors eliminates the information of the object reflection and only the shape information is displayed on a TV monitor. Preliminary experiments show the validity of the proposed system for profile measurements of an object.
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