Abstract
Abstract The aim of this paper is to present the optical position sensors (PSD) based on a lateral photoeffect with respect to its characteristics. The optical triangulation (OT) being exploited as the sensing technique will be examined. Three experiments employing PSD and OT techniques for monitoring surface profiles in mechanical, photographic, and automotive fields are presented. They are sources for understanding the potential of these detectors as simple, efficient, and readily available means of automatic inspection in a wide range of fields of application.
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