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The orientational photorefractive properties of the liquid crystal/polymer composites with different morphology are studied experimentally. The composites consist of the similar chemical components, but one shows phase-separated structure (polymer dispersed liquid crystal) and another one, miscible structure (polymer-dissolved liquid crystal composite). Particular attention is given to the observation and qualitative and/or quantitative modeling of the resolution, dependence of the applied dc field, dynamics of grating generation, and photocurrents, which is strongly dependent on the morphology of the composites. © 2003 American Institute of Physics.