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Proceedings Paper

Properties of volume reflection silver-halide gelatin holograms
Author(s): N. L. Kosobokova; Yuri E. Usanov; Michail K. Shevtsov
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Paper Abstract

Three schemes of realization of micro-cavity method of processing silver halide photomaterials for silver-halide gelatin holograms (SHG) generation are proposed. Factors affecting diffraction efficiency replay wavelength shift and selectivity are discussed. 2. EXPERIMENTAL RESULTS In the previous paper on this issue the principle of SHG hologram formation based on a difference of speed hardening of gelatin mass in a photolayer and in a thin cover of gelatin absorbed on silver or silver halide grains was formulated. The investigation of " swelling" factor for layers both containing and not containing solid grains verified the difference in the hardening degree of these layers and demonstrated a possibility of using this phenomenon for the generation of SHG holograms. As a result we proposed three methods of transforming the structure of distribution of solid particles of a layer into the structure of micro-cavity distribution. Processing procedures realizing the micro-cavity (MC) methods are presented in Fig. l. As seen in Fig. l the differentiating feature of each method is the type of grain in a layer during its hardening. In the course of realization of methods MC-l MC-2 and MC-3 a layer to be hardened contains metallic developed silver rehalogenated silver and silver resulting after reversal bleaching of developed silver respectively. The common feature of all methods is dehydration procedure which results in producing micro cavities in the places of removed silver or silver salt grains.

Paper Details

Date Published: 1 February 1991
PDF: 6 pages
Proc. SPIE 1238, Three-Dimensional Holography: Science, Culture, Education, (1 February 1991); doi: 10.1117/12.19392
Show Author Affiliations
N. L. Kosobokova, Vavilov State Optical Institute (Russia)
Yuri E. Usanov, Vavilov State Optical Institute (Russia)
Michail K. Shevtsov, Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 1238:
Three-Dimensional Holography: Science, Culture, Education
Tung H. Jeong; Vladimir B. Markov, Editor(s)

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