Refractive index gratings were written by 18 ps laser pulses in a new photorefractive
material Bi 2 TeO 5. The time evolutions of the gratings were followed by delayed probe …

Bi 2 TeO 5 is a new nonlinear optical material that exhibits the photorefractive effect
including a long lived memory component. The nonlinear absorption properties of the …

Abstract Bismuth tellurium oxide (Bi 2 TeO 5) is a new material expected to exhibit nonlinear
properties because of its noncentrosymmetric crystal structure. A conventional crossed cw …

The unusually fast response of the two-wave mixing process in fibre-like Bi12TiO20 crystals
on transient change of the external electric field was experimentally observed. Pulses of the …

Single crystals of Bi, TeO,, both undoped and doped with transition-metal-ion dopants, were
grown with high optical quality. Continuous-wave four-wave-mixing experiments on these …

We report the recording of optical gratings on photorefractive \rmBi_2\rmTeO_5 Bi_2TeO_5
crystals using λ=532\,\rmnm λ= 532nm wavelength light. We studied the behavior of this …

Unusual short response times and high coupling efficiency can appear with fiber-like Bi 12
TiO 20 (BTO) crystals when applying an electric ac square wave field. Using fiber-like (long …

A new mechanism based on the electrogyratory effect for degenerate two-wave mixing has
been for the first time realized in photorafractive Bi 12 TiO 20 (BTO). A ruby laser generating …

We report on the light-induced absorption in undoped photorefractive Bi_2TeO_5 (BTeO)
crystal. The so-called “two-center” model is shown to adequately describe the present …

Bismuth tellurite (Bi2TeO5) is a new photorefractive material that is now available as single
crystals of high optical quality. The results of measuring the photorefractive properties of …