Optical bias has been applied in the formation of moving gratings in bismuth silicon oxide at
large fringe modulations. It is shown that optical bias is an effective method of overcoming …

A new subharmonic regime in photorefractive bismuth silicon oxide has been discovered by
the use of the running-grating technique. In this regime the subharmonic grating splits into …

The technique of moving gratings in a photorefractive crystal is applied to the edge
enhancement of objects and edge-enhanced optical correlation. The nonlinear dependence …

A fully nonlinear frequency response of a moving grating in bismuth silicon oxide, including
the effects of an applied electric field, is modeled by solution of the time-dependent …

Single crystals of bismuth silicon oxide (Bi 12 SiO 20 or BSO) and its isomorphs, including
bismuth germanium oxide (Bi 12 GeO 20 or BGO) and bismuth titanium oxide (Bi 12 TiO 20 …

The diffraction efficiency of bismuth silicate photorefractive gratings recorded in a nonlinear
regime (light modulation depth,≃ 1) was numerically calculated; phase coupling and off …

The photorefractive grating formation dynamics were modeled numerically for bismuth
silicon oxide under conditions of stationary recording with a dc applied electric field. These …

Abstract Bismuth silicon oxide (Bi 12 SiO 20) crystals can be utilized in the transverse
electrooptic configuration for several optical device applications, including spatial light …

New configurations for spatial beam steering of a near-infrared laser beam are presented.
They are based on the interaction of the beam from a semiconductor laser with a dynamic …

We report the first experimental measurement of fringe-angle applied electric field scaling of
space charge growth and of crystallographic orientation effects in the initial development of …