… space-charge field when periodic or dc electric fields are applied to a photorefractive material…
compared with the case of resonant space-charge field enhancement with applied dc fields …

… 13 to describe the diffraction efficiency rise due to space-charge field formation. To
explore the factors that affect the speed of spacecharge field formation, we modeled the PR …

… , (dQ/dt)t0 represents the rate of change of the surface charge density, and (dU… space charge
effects), η is independent of both sample thickness and light intensity and equals the charge …

… the volume of the material, it generates a photoinduced space charge field which modulates
… In other words, photorefractive materials are very well suited to record dynamic holograms …

… , up to 10" cm", which means that the limiting value of the space charge field, E, is also
large … This work indicates that KTN is a very sensitive photorefractive material; however, its …

… In this work, low Tg photorefractive material was prepared by doping the optically
anisotropic chromophore, 2-3E-2-dibutylamino-1-ethenyl-5,5-dimethyl-2cyclohexenyliden …

… space-charge waves (SCWs) in photorefractive materials, … the restrictions on the material
parameters necessary to ensure … AC enhancement of the photorefractive response (treated as …

… for the response of a photorefractive material to an applied ac electric field, we can now
make several important observations concerning the behavior of the space-charge field as a …

… The resulting spacecharge field between the ionized donor centers and the trapped charges
… Uniform illumination erases the space-charge fields and brings the crystal back to its …

… space charge field and gain coefficient in the photorefractive medium due to the two interfering
beams have been calculated by solving the material … the other photorefractive materials. …