3 September 1993 Difference holographic interferometry: a new measurement possibility in prosthesis development
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Proceedings Volume 1889, Holography, Interferometry, and Optical Pattern Recognition in Biomedicine III; (1993) https://doi.org/10.1117/12.155723
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
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.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ferenc Gyimesi, Ferenc Gyimesi, Zoltan Fuezessy, Zoltan Fuezessy, "Difference holographic interferometry: a new measurement possibility in prosthesis development", Proc. SPIE 1889, Holography, Interferometry, and Optical Pattern Recognition in Biomedicine III, (3 September 1993); doi: 10.1117/12.155723; https://doi.org/10.1117/12.155723
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