Fourier synthesis of moire-like pattern intensity profile in photorefractive sinusoidal phase gratings superposition

Paulo Acioly Marques dos Santos; G. N. de Oliveira

doi:10.1117/12.591684

21 October 2004 Fourier synthesis of moire-like pattern intensity profile in photorefractive sinusoidal phase gratings superposition

Paulo Acioly Marques dos Santos, G. N. de Oliveira

Author Affiliations +

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.591684
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

Fourier synthesis of dynamic Moire-like patterns generation with square intensity profile obtained by the superposition of more than two dynamic sinusoidal phase gratings is described. The sinusoidal phase gratings of slightly different pitches are involved and occur in the photorefractive crystal Bi₁₂TiO₂₀ (BTO). This holographic dynamic medium has been used in anisotropic two wave mixing architecture in diffusion only recording mechanism.

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Paulo Acioly Marques dos Santos and G. N. de Oliveira "Fourier synthesis of moire-like pattern intensity profile in photorefractive sinusoidal phase gratings superposition", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.591684

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