In this paper, we consider a two-wave mixing system using a photorefractive medium and
compute the diffraction efficiency as a function of the writing beam ratios. In certain …

We review the conditions of high gain in wave-mixing experiments with photorefractive Bit
2Si020 crystals. These interactions are based on the recording of a moving interference …

A method to characterize the photorefractive parameters of Bi 12 GeO 20 crystal is
described. An analysis of the transient photoinduced grating under an external applied …

We present original data on experiments with cubic photorefractive crystal Bi12TiO20 under
an external dc electric field in the configuration of Z-scan characterization technique. In …

By direct interferometric measurement in Bi12TiO20 under external DC electric field, we
demonstrate that the steady-state photorefractive lens produced by the laser beam with the …

The diffraction efficiency and energy transfer are investigated in photorefractive Bi 12 SiO 20
crystals (BSO). Dependence on fringe spacing, electric fields, light intensity and rise-time …

During the erasure of a photorefractive grating in Bi12SiO20, the space-charge field moves
at a constant velocity and its amplitude exponentially decays. The experiment confirms that …

The readout properties of the specklegram recorded in a photorefractive Bi_12SiO_20
(BSO) crystal plate have been investigated by observing the Young fringes and the …

Consistent experimental and numerical simulation studies of photorefractive surface wave
propagation in Bi12TiO20 and Bi12SiO20 crystals are presented. We induce the …

The photoconductive and photorefractive properties of three undoped sellenite crystals
(Bi12SiO20-Bi12GeO20) are investigated. We report, high grating diffraction efficiencies …