… Holographic grating is a photo-refractive effect from third-order nonlinear intensity
dependent process. The present results show optical field enhancement in the BTO defect-based …

… as of another photorefractive effect in mentioned medium … such photorefractive crystals (PRC)
as barium titanate or barium-… and photoinduced absorption of the undoped photorefractive …

… , where absorption is relatively low, and its deleterious effects are … In [20], the authors also
found an intensity-dependent … contemplated from the standard photorefractive model or even …

… the photorefractive [22] and inverse photoelastic [23] effects, … temperature-and light-intensitydependent
coefficients. I =±1 … by photon absorption (photoelectric effect) corresponding to a …

… Barium titanate ( BaTiO 3 ) is an interesting ferroelectric material possessing large photorefractivity
… which contributed to the observed intensity-dependent nonlinear optical processes in …

… For a medium presenting an intensity-dependent refractive … photorefractive nonlinearity
using the self-phase modulation … absorption coefficient α induced by the optical Kerr-effect as …

… This was done to observe enhanced nonlinear optical activity in KNN-50 thin film due to
upgraded optical absorption arising as a consequence of surface plasmon excitation at the metal…

… polymers that have been reported until today show a strong absorption … effective dielectric
constants of barium titanate for the most … The timescale of the process was intensity dependent: …

… role in charge carrier mobility as well as intensity dependent absorption. A study to this …
RA, Rotge JR, Intensity-dependent absorption and photorefractive effects in barium titanate, …

We report on the presence of photovoltaic effect in some Sillenite photorefractive crystals
and compare their behavior with that of the well known photovoltaic LiNbO 3 :Fe crystal. …