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Over the past fifty years, photorefractive materials have been used to various applications such as holographic data storage, non destructive testing. Propagation of electromagnetic waves inside a photorefractive material can be obtained by solving a set of coupled equations and the wave equation. The purpose of this paper is to summarize two aspects of photorefractive materials which can be used in various applications. First, the generation of higher orders inside a photorefractive material is simulated using MATLAB®. These higher orders can be used for dynamic phase shifting holography. When an optical field is applied to a photorefractive material it is deformed due to the photorefractive effect and piezoelectric effect. As the second aspect, this mechanical deformation is discussed which can be applied in the area of hybrid PR structures.© Anita Publications. All rights reserved.