Electrooptic and piezoelectric measurements in photorefractive barium titanate and strontium barium niobate

S Ducharme, J Feinberg… - IEEE journal of quantum …, 1987 - ieeexplore.ieee.org
… two-beam coupling gain g was measured in each BaTi03 … g, ), where the gain g is defined
as the intensity increase of the … , the k-vector of the photorefractive grating aligned along the c …

Intensity-dependent absorption and photorefractive effects in barium titanate

GA Brost, RA Motes, JR Rotge - JOSA B, 1988 - opg.optica.org
increase with intensity. We present a model, in the spirit of commonly used (photorefractive)
theories, for photorefraction … attributed to the presence of secondary photorefractive centers. …

Effects of feed material and annealing atmosphere on the properties of photorefractive barium titanate crystals

PG Schunemann, TM Pollak, Y Yang, YY Teng… - JOSA B, 1988 - opg.optica.org
… materials yielded crystals with the highest photorefractive gain, whereas the extremes either
… atm of oxygen yielded a tenfold increase in photorefractive carrier density related to a sharp …

Photorefractive two-beam coupling characterization of a barium-calcium titanate crystal

S Bernhardt, P Delaye, H Veenhuis, D Rytz, G Roosen - Applied Physics B, 2000 - Springer
… At room temperature, BCT has the same symmetry as BaTiO3. We will thus carry … barium
titanate. We thus perform classical measurements of the dependence of the photorefractive gain

Photorefractive effects and light‐induced charge migration in barium titanate

J Feinberg, D Heiman, AR Tanguay… - Journal of Applied …, 1980 - pubs.aip.org
… This "photorefractive" effect arises from a light-induced migration and separation of charge
… migration of charges mediating the photorefractive effect in barium titanate. We also present …

Photorefractive and domain gratings in barium titanate

RS Cudney, J Fousek, M Zgonik, P Günter… - Applied physics …, 1993 - pubs.aip.org
We present concrete evidence for the formation of ferroelectric domain gratings induced by
photorefractive space-charge electric fields in top-seeded solution-grown barium titanate

Photorefractive properties of Ce: BaTiO3 crystals

C Yang, Y Zhang, P Yeh, Y Zhu, X Wu - Optics communications, 1995 - Elsevier
… two active photorefractive species. One of these crystals has the highest beam-coupling gain
coefficient … Photo refractive barium titanate (BaTi03 ) crystals are important media for optical …

Wavelength dependence of the photorefractive effect in barium titanate

ME LASHER, DM GOOKIN - Conference on Lasers and Electro …, 1990 - opg.optica.org
… Unfortunately, the photorefractive gain in barium titanate is … Theory predicts that the
photorefractive gain will decrease linearly … of the photorefractive gain in a barium titanate crystal. …

Thermodynamic point defect model of barium titanate and application to the photorefractive effect

BA Wechsler, MB Klein - JOSA B, 1988 - opg.optica.org
… to develop a more general understanding of the photorefractive behavior of BaTiO 3 . The
model … the photorefractive trap densities and hence to determine the beam-coupling gain and …

High beam-coupling gain and deep- and shallow-trap effects in cobalt-doped barium titanate, BaTiO3:Co

MH Garrett, JY Chang, HP Jenssen, C Warde - JOSA B, 1992 - opg.optica.org
Barium titanate, BaTiO 3 , is a photorefractive crystal that is widely used for optical
information-processing applications, eg, holographic optical memories,[1] self-pumped phase-…