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Optical Engineering

Triangulation With Expanded Range Of Depth
Author(s): G. Bickel; G. Hausler; M. Maul
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Paper Abstract

In conventional triangulation systems for 3-D sensing there is a trade-off between range of depth and resolution. We propose a triangulation system with a large depth of field (1 m or more) and, at the same time, high resolution (20µm or better). The system is based essentially on a tele-axicon in the illumination device and on the use of the Scheimpflug condition in the observation device. A suitable scanning-by-deflection geometry is described.

Paper Details

Date Published: 1 December 1985
PDF: 3 pages
Opt. Eng. 24(6) 246975 doi: 10.1117/12.7973610
Published in: Optical Engineering Volume 24, Issue 6
Show Author Affiliations
G. Bickel, Physikalisches Institut der Universitat (Germany)
G. Hausler, Physikalisches Institut der Universitat (Germany)
M. Maul, Physikalisches Institut der Universitat (Germany)


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