Properties of volume reflection silver-halide gelatin holograms

N. L. Kosobokova; Yuri E. Usanov; Michail K. Shevtsov

doi:10.1117/12.19392

1 February 1991 Properties of volume reflection silver-halide gelatin holograms

N. L. Kosobokova, Yuri E. Usanov, Michail K. Shevtsov

Proceedings Volume 1238, Three-Dimensional Holography: Science, Culture, Education; (1991) https://doi.org/10.1117/12.19392
Event: International Seminar on 3D Holography, 1989, Kiev, Ukraine

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.

Citation Download Citation

N. L. Kosobokova, Yuri E. Usanov, and Michail K. Shevtsov "Properties of volume reflection silver-halide gelatin holograms", Proc. SPIE 1238, Three-Dimensional Holography: Science, Culture, Education, (1 February 1991); https://doi.org/10.1117/12.19392

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