ANALYSIS OF THE DIFFRACTION EFFICIENCY IN TRANSVERSE CONFIGURATION IN SILLENITE CRYSTALS Bi12TiO20

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Autores

Astrid Lorena Villamizar Amado
Néstor Alonso Arias Hernández
Martha Lucía Molina Prado
Myrian Tebaldi

Resumen

A theoretical study on sillenite crystal where it obtained an analytics  expression for diffraction efficiency in the on-Bragg regime in transverse configuration () is realized. It is considered non-mobile transmission gratings. An analysis of diffraction efficiency considering the non-uniformity of gratings, material properties, external parameters the applied field or the intensity of beam input or polarization or the optical activity of the crystal beetwen others is realized.

 

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Referencias

[1] P. Yeh, “Introduction to Photorefractive Nonlinear Optics”, Wiley, New York, 1993.

[2] L.F. Magaña, I. Casar, J.G. Murillo, Beam energy exchange in sillenite crystals (Bi12SiO20 and Bi12TiO20), considering the variation of light modulation along sample thickness in a strong non-linear regime, Opt. Mater. 30 (2008) 979–986.

[3] Marrachi, A., Johnson, R.V, Tanguay, Jr.A.R “polarization properties of photorefractive diffraction in electrooptic and optically active sillenite crystals (Bragg Regime), J. Opt.Som.A.B, 1986

[4] Gonzales, G., Zuñiga, A. “Optimization of the diffraction efficiency in nonuniform gratings in sillenite crystals considering the variation of fringe period, optical activity and polarization angles in a strong non-linear regime”, Revista Mexicana de Física, 2009, 55(1):25–31, 2009. VII, 3, 42, 43, 50

[5] Molina Prado M.L., et al. “Medida de la eficiencia de difracción fotorrefractiva como función del vector de onda de la red en un cristal BTO”, Bistua, 9 (2), 43-47(2011).

[6] Molina M.L. et al, “Eficiencia de difracción del registro de speckle modulados generados a partir de superficies reflectodifusoras”, BISTUA, Vol 10 (2), 2012.

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