3-D camera based on conoscopic holography

Didier Charlot; Laurent M. Mugnier; Gabriel Y. Sirat

doi:10.1117/12.20232

1 August 1990 3-D camera based on conoscopic holography

Didier Charlot, Laurent M. Mugnier, Gabriel Y. Sirat

Proceedings Volume 1265, Industrial Inspection II; (1990) https://doi.org/10.1117/12.20232
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

The principle and the firstresults of a new 3D camera will be presented. This camera is based on a holographic technique named conoscopic holography. The simplicity of the technique, using only a crystal, waves plates and polarizers, and its compatibility with CCD sensors make possible the fabrication of low cost and flexible conoscopic vision systems. The first prototype is an tive rangefmder which will be developed into a profilometer and a 3D camera a resolution of 1 jnn and a precision of a 2-3 jim have already been obtained. The numerical processing is based on Fourier Transforms, quickly performed by available dedicied hardware.

Citation Download Citation

Didier Charlot, Laurent M. Mugnier, and Gabriel Y. Sirat "3-D camera based on conoscopic holography", Proc. SPIE 1265, Industrial Inspection II, (1 August 1990); https://doi.org/10.1117/12.20232

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