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Proceedings Paper

Forward photorefractive multibeam mixing in BaTiO3
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Paper Abstract

Multi-beam mixing in diffusion-driven media is presented in this paper as a diagnostic for the study of nonplane wave photorefractive interactions. Coupled, nonlinear differential equations are derived which describe the interactions of the intensities as they couple through the medium. These equations were numerically solved using a Runge-Kutta algorithm to gain insight as to how the beams interact in the medium. Three beam interactions in BaTiO3 at 514.5 nm were studied experimentally to verify the analysis. Results indicate that phase aberrations affect intensity distributions in the enhanced beam.

Paper Details

Date Published: 1 November 1990
PDF: 13 pages
Proc. SPIE 1334, Current Developments in Optical Engineering IV, (1 November 1990); doi: 10.1117/12.22846
Show Author Affiliations
G. Charmaine Gilbreath, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 1334:
Current Developments in Optical Engineering IV
Robert E. Fischer; Warren J. Smith, Editor(s)

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