SILVER-HALIDE SENSITIZED GELATIN AS A HOLOGRAPHIC RECORDING MATERIAL

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