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Optical Engineering

Telecentric Scanner For 3-D Sensing
Author(s): G. Hausler; M. Maul
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Paper Abstract

Triangulation systems that are based on the simultaneous deflection of the illuminating and observing light beam are able to scan large object fields fast and with high space-bandwidth product. On the other hand, in nontelecentric systems, the direction of illumination and observation vary along the scan path, and the shape of an object is usually determined with respect to a circular reference shape. We describe a telecentric system with variable reference shape, stationary measuring geometry over the whole field, and expanded depth of field.

Paper Details

Date Published: 1 December 1985
PDF: 3 pages
Opt. Eng. 24(6) 246978 doi: 10.1117/12.7973611
Published in: Optical Engineering Volume 24, Issue 6
Show Author Affiliations
G. Hausler, Physikalisches Institut der Universitat (Germany)
M. Maul, Physikalisches Institut der Universitat (Germany)

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