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Proceedings Paper

Difference holographic interferometry: a new measurement possibility in prosthesis development
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Paper Abstract

The usual holographic interferometric techniques provide the possibility for deformation, shape, and refractive index change measurements of objects with diffuse reflection properties but do not allow their comparison in a direct interferometric way. To compare two different but similar objects (e.g., master and test objects, or the original object and the same one after some alterations or wear) two interferograms are made and evaluated numerically. Difference holographic interferometry (DHI) makes the direct interferometric way possible, and, in addition, DHI does work even if the individual interferograms to be compared would be invisible, dense, or badly localized. The present paper summarizes the idea, theory, and experimental evidences of DHI and points out its useful application possibilities in prosthesis development too.

Paper Details

Date Published: 3 September 1993
PDF: 4 pages
Proc. SPIE 1889, Holography, Interferometry, and Optical Pattern Recognition in Biomedicine III, (3 September 1993); doi: 10.1117/12.155723
Show Author Affiliations
Ferenc Gyimesi, Technical Univ. Budapest (Hungary)
Zoltan Fuezessy, Technical Univ. Budapest (Hungary)

Published in SPIE Proceedings Vol. 1889:
Holography, Interferometry, and Optical Pattern Recognition in Biomedicine III
Halina Podbielska M.D., Editor(s)

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