Improvement in quality and performance of photorefractive Bi2TeO5

I Földvári, A Peter, O Szakács - Journal of crystal growth, 1999 - Elsevier
Bismuth tellurite has a unique feature, a long-living (years) photorefractive memory that
develops in the four-wave mixing process without fixing. Single crystals of Bi2TeO5 were …

Characteristics of the photorefractive effect in Bi2TeO5

I Foldvari, H Liu, RC Powell - Nonlinear Optics III, 1992 - spiedigitallibrary.org
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 …

Bridgman growth of bismuth tellurite crystals

A Wu, J Xu, G Qian, B Lu, Z Ge, L Tang… - Bulletin of Materials …, 2005 - Springer
Abstract The photorefractive crystal, Bi 2 TeO 5, was grown by the modified Bridgman
method for the first time. High purity Bi 2 O 3 and TeO 2 were used as starting materials and …

Dopants in photorefractive bismuth tellurite Bi2TeO5 crystals

Á Péter, O Szakács, I Földvári, L Bencs - Materials research bulletin, 1996 - Elsevier
Bi2TeO5 is a new nonlinear optical crystal with interesting photorefractive properties. A
photorefractive grating that was written into a sample more than four years ago is still …

Investigation of the photorefractive effect in Bi2TeO5

I Foldvari, H Liu, RC Powell, A Peter - Journal of applied physics, 1992 - pubs.aip.org
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 …

Bismuth tellurite—a new material for holographic memory

I Földvári, C Denz, Á Péter, J Petter, F Visinka - Optics Communications, 2000 - Elsevier
The photorefractive properties of Bi2TeO5 crystals were measured with the wave mixing
technique using the 532 nm output of a Nd: YAG laser for writing gratings. The saturation …

Photovoltaic effect in Bi2TeO5 photorefractive crystal

I de Oliveira, DA Capovilla, JF Carvalho… - Applied Physics …, 2015 - pubs.aip.org
We report on the presence of a strong photovoltaic effect on nominally undoped
photorefractive Bi 2 TeO 5 crystals and estimated their Glass photovoltaic constant and …

Photorefractive effects in Bi2TeO5 single crystals

I Földvári, MP Scripsick, LE Halliburton, A Peter - Physics Letters A, 1991 - Elsevier
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 …

Photochromic effects in Bi2TeO5: Cr crystals

I Földvári, LA Kappers, RH Bartram, Á Péter - Optical Materials, 1998 - Elsevier
Bismuth tellurite is a new non-linear optical material with interesting photorefractive
properties. Chromium builds into the crystal in 6+ valence state (chromate anion). The …

Growth and characterization of photorefractive Bi12TiO20 single crystals

VV Prokofiev, JF Carvalho, JP Andreeta… - Crystal Research …, 1995 - Wiley Online Library
Abstract Photorefractive Bi12TiO20 single crystals of high optical quality were grown in a
resistive heating furnace from high temperature nonstoichiometric (10: 1) solutions of Bi2O3 …