Abstract
Silver halide sensitized gelatin (SHSG) has proven to be a good alternative to dichromated gelatin and bleached emulsions in the production of volume phase holographic optical elements. In the present paper, the processing procedure for SHSG derived from Agfa-Gevaert holographic plates is reviewed and the holographic characteristics of the processed SHSG are experimentally measured and analysed. Several important aspects related to the influence of the developer and the bleach bath, the noise, the diffraction efficiency, the modulation transfer function and the optimized procedure have been considered. Both transmission and reflection holographic gratings and diffuse-object holograms are described in detail.
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