Photorefractive materials combine photoconductive and electro-optic properties: light affects
their electrical conductivity; their optical properties (refractive index, etc.) are affected by …

The physics of the photorefractive effect is briefly discussed. A coupled-mode theory is then
developed to analyze the coupling of two coherent electromagnetic waves inside a …

We present an analytical theory of vectorial wave coupling in photorefractive cubic crystals
which are, in general, optically active. The theory is based on the systematic use of the …

We introduce an improved non-destructive and non-contact measurement technique for the
hardness penetration depth of thermally hardened steel parts based on all-optical laser …

Because of the light-induced bleaching of GaAs at λ= 1.064 µm, the amplitude gratings
strongly affect the photorefractive recording in this material. We extract two contributions that …

Dependence of the phase conjugate signal in photorefractive four-wave mixing on the
crystal orientation and the polarization of the interacting beams is experimentally studied for …

Three image processing experiments were performed by degenerate four-wave mixing in
photorefractive GaAs. The experiments were imaging by phase conjugation, edge …

Transient energy coupling between two coherent beams occurs in dynamic holographic
media with local and noninstantaneous responses. The physical origin of the effect is …

The photorefractive two-wave mixing gain coefficient Γ of GaAs: Cr and InP: Fe, cut with
different crystallographic orientations, was determined using a cw Nd: YAG (neodymium …

Cross-polarization beam coupling in photorefractive GaAs crystals clickable element to expand
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