We report measurements of response time for the intensity-dependent absorption in a single
BaTiO_3 crystal under conditions in which no photorefractive effect can be observed. The …

We present data on the speed of light‐induced refractive index changes in a BaTiO3 single
crystal. The light‐induced erasure rate of a refractive index grating is shown to depend on …

We present experimental data for BaTiO_3 that exhibit an intensity dependence in the
absorption coefficient and the two-beam coupling coefficient at intensities between 0.002 …

We report the observation of photorefractive index gratings written and read out in BaTiO_3
using single pulses of 30-psec duration and fluences of 1 to 15 mJ/cm^ 2 at a wavelength of …

Illumination of a photorefractive BaTiO_3 crystal provides an induced absorption increase,
which is explained by the two-center charge transport model. Detailed investigations of …

Origin of the sublinear photorefractive response time in BaTiO3 clickable element to expand a
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Picosecond photoinduced absorption in BaTiO_3 has been observed for the first time to our
knowledge using picosecond laser pulses and a time delay pump–probe technique. The …

We have used a number of experimental techniques to identify the photorefractive species in
commercial samples of BaTiO_3. We find that Fe impurities (in the Fe^ 2+ and Fe^ 3+ states) …

It is shown experimentally that the nonsymmetric behavior of the beam-coupling gain
coefficient of BaTiO_3 crystals with respect to the sense of the c axis is caused by an …

We demonstrate the extension of the photorefractive effect in BaTiO_3 crystals to the 1.5-μm
wavelength regime, which is obtained by two-photon absorption induced by intense …