25 March 1996 3D imaging by means of a reference-free selectogram recorded in a thick-layered light-sensitive material
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Abstract
A special type of 3D holographic imaging is considered. In this case object wave that is filtered by a horizontal slit is split into two identical components with the help of a diffraction grating that is positioned just ahead of a thick-layered light-sensitive material. It is shown that the 3D pattern formed as a result of the recording of the interference of the mentioned components of the object wave reveals the property of reconstructing the 3D image of the object when being illuminated by the light scattered by a diffusing screen. Such a type of the recording is referred to as reference-free selectogram. The results of the experiments on the reference-free selectogram recording are presented. Two types of thick-layered light-sensitive materials were used in the experiments: reoxan and dichromated gelatin. The material reoxan presents a polymer matrix (1 mm thick) in which an anthracene compound sensitizer and oxygen are dissolved. The dichromated gelatin presents a jelly that has been sealed between two glasses. The thickness of the light-sensitive layer varies from 1 mm to 3 mm in this case.
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Yuri N. Denisyuk, Yuri N. Denisyuk, Nina M. Ganzherli, Nina M. Ganzherli, Nina A. Savostyanenko, Nina A. Savostyanenko, } "3D imaging by means of a reference-free selectogram recorded in a thick-layered light-sensitive material", Proc. SPIE 2652, Practical Holography X, (25 March 1996); doi: 10.1117/12.236060; https://doi.org/10.1117/12.236060
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