Abstract

A Bi₁₂SiO₂₀ crystal, cut in the transverse orientation as for holographic applications, is used as a spatial filtering device in the Fourier plane of a coherent single-beam optical processor with λ = 633 nm. Frequency selection is obtained by adjusting a polarizing compensator to suppress or to select some part of the spectrum, which is characterized by a certain ellipticity of polarization, depending on its intensity.

© 1990 Optical Society of America

Polarization properties of photorefractive diffraction in electrooptic and optically active sillenite crystals (Bragg regime)

A. Marrakchi, R. V. Johnson, and A. R. Tanguay
J. Opt. Soc. Am. B 3(2) 321-336 (1986)

Efficiency and polarization characteristics of photorefractive diffraction in a Bi₁₂SiO₂₀ crystal

S. Mallick, D. Rouède, and A. G. Apostolidis
J. Opt. Soc. Am. B 4(8) 1247-1259 (1987)

Techniques for the enhancement of space-charge fields in photorefractive materials

K. Walsh, A. K. Powell, C. Stace, and T. J. Hall
J. Opt. Soc. Am. B 7(3) 288-303 (1990)

Properties of photorefractive nonstoichiometric bismuth silicon oxide, BixSiO_1.5x₊₂

Mark H. Garrett
J. Opt. Soc. Am. B 8(1) 78-87 (1991)

Image amplification with local addressing by two-wave coupling in a Bi₁₂SiO₂₀ crystal by application of direct-current voltage

Yoshimasa Kawata, Satoshi Kawata, and Shigeo Minami
J. Opt. Soc. Am. B 7(12) 2362-2368 (1990)