Abstract: THe process of holographic recording in the liquid photopolymer compositions (PPC), which contain a photopolymerizable component, an initiating system and a neutral component, is described in the frame of the phase separation of the origin mixture. Experiments were performed to determine the dependence of efficiency of recording and lightsensitivity of material on the thermodynamical compatibility of the system polymer-neutral component, kinetic parameters of the polymerization process and the diffusion mass-transport, supported the formation of holograms. The two-phase structure of holograms in PPC has been observed with help of fluorescent probe method. The average size of the microphase particles has been determined. The effect of photopolymer heterogeneity on the noise characteristics of holograms and resolution of recording composition has been shown. !27
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