Hole–electron competition in photorefractive gratings clickable element to expand a topic
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We investigate the absorption and photorefractive properties of Ce: BaTiO3 (cerium doped
barium titanate) crystals. The absorption coefficient, electro-optic gain coefficient, and total …

A simple polarization technique for separate measurement of absorption and phase gratings
in photorefractive crystals, that allowed us to demonstrate experimental evidence of …

A model to describe the fanning effect based on the beam-coupling mechanism in
photorefractive crystals is presented. The intensity distribution of the fanning beam in a 45° …

A complementary photorefractive grating was created and stored in BaTiO_3. For a grating
wave vector oriented along the crystal's c axis, the grating first appeared above 80° C and …

We report measurements of the photorefractive phase shift and coupling constant of several
photorefractive materials. We solve the problem of beam coupling and diffraction in a …

A method of examining the photorefractive grating in a self‐pumping barium titanate crystal
is described; in this method, photorefractive grating elements are sequentially erased using …

We propose a new theoretical model for the light‐induced migration of charges which
mediates the''photorefractive effect''(light‐induced refractive index change) in barium titanate …

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 …

Non-steady-state photocurrent measurements are carried out with a photorefractive BaTiO 3
crystal at the light wavelength 514 nm. We obtain the diffusion length for different crystal …