Dynamic Light Diffraction by Holographic Gratings in Photopolymeric Materials |
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Authors: | Kovalenko E. S. Sharangovich S. N. |
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Affiliation: | (1) Tomsk State University of Control Systems and Radio Electronics, Russia |
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Abstract: | A theoretical model of light diffraction by tilted holographic gratings in photopolymeric materials in the nonstationary regime of reading, which describes the dynamic process of optical hologram amplification with allowance for the photopolymerization and diffusion mechanisms of recording, is developed. For the given model, the dynamics of the diffraction efficiency and selective properties of hologram reading are modeled numerically when Bragg's conditions are satisfied and violated. It is demonstrated that the diffraction characteristics of tilted holograms are spatially noninvariant for the reading beam direction. The optimal conditions of reading of tilted holograms are established. |
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