This paper discusses holographic methods for obtaining diffusers and microlens rasters on silver halide photographic emulsions. The gelatin-photolysis method in which short-wavelength UV radiation acts on the photosensitive layer and methods of chemical and photohardening of photographic emulsions processed with dichromate solutions are used as technologies for creating relief-phase structures.
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Ganzherli et al. (2009) studied this question.
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