Spatial filtering and optical holographic correlation degree in a Bi12TiO20 crystal

Alberto A. Tagliaferri; Paulo Acioly M. dos Santos

doi:10.1117/12.165968

21 January 1994 Spatial filtering and optical holographic correlation degree in a Bi₁₂TiO₂₀ crystal

Alberto A. Tagliaferri, Paulo Acioly M. dos Santos

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.165968
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

The real time holographic correlation process was controlled and analyzed by the intentional manipulation of the intensity ratio between the writing beams in the Fourier hologram formation of an image. In this sense, and optical holographic correlation degree was defined. The experiments were performed in two wave mixing configuration based on the anisotropic self-diffraction properties of the Bi₁₂TiO₂₀ crystal. The correlator system was operated in the diffusion-only Bragg condition, under low power HeNe laser light illumination.

Citation Download Citation

Alberto A. Tagliaferri and Paulo Acioly M. dos Santos "Spatial filtering and optical holographic correlation degree in a Bi₁₂TiO₂₀ crystal", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.165968

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