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Introduction of multilayered photorefractive polymer composite for the enhancement of recording stability

In the present work, multilayered photorefractive polymer composites were introduced in order to enhance the recording stability without sacrificing the recording speed of the photorefractive polymer composites. In the multilayered photorefractive polymer composite, the gain coefficient, diffraction efficiency, and the recording stabilty could be enhanced without sacrificing the response time of the photorefractive polymer composite.