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26 October 2004 Nonlocal temporal behavior in photopolymers and its effect on grating formation
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The inclusion of a nonlocal spatial response function in the Nonlocal Polymer Driven Diffusion model (NPDD) has been shown to predict high spatial frequency cut-off in photopolymers. Here the nature of the temporal response of photopolymer is discussed and a nonlocal temporal response function proposed. The extended model is then solved using a finite element technique and the results discussed. Based on this model we examine the nature of grating evolution when illumination is stopped during the grating recording process. Refractive indices of the components of the photopolymer material used are determined and predictions of the temporal evolution of the refractive index modulation described.
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John V. Kelly, Feidhlim T. O'Neill, Cristian Neipp, and John T. Sheridan "Nonlocal temporal behavior in photopolymers and its effect on grating formation", Proc. SPIE 5521, Organic Holographic Materials and Applications II, (26 October 2004);

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