Origin of the sublinear photorefractive response time in BaTiO3 clickable element to expand a
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This chapter provides a detailed review of theoretical work on the photorefractive effect. The
physical model of photorefractivity used here, which now seems well established by many …

In this chapter, the standard model accounting for the photorefractive nonlinearity in a
material is presented. The mathematical formalism of the rate equations has been …

A numerical model of photorefraction in barium titanate with simultaneous hole and electron
photoconductivity and combined deep and secondary photorefractive centers is compared …

In an extension of earlier work by Moharam et al.[J. Appl. Phys. 50, 5642 (1979)], we use a
perturbation scheme to obtain a higher-order expression for the steady-state photorefractive …

Two-beam intensity coupling is calculated for photorefractive crystals with two types of
movable charge carrier in the undepleted-pump approximation. The analytical expressions …

The development of practical devices utilizing the photorefractive effect in BaTiO3 depends
upon the availability of single crystals with improved properties. In order to achieve this goal …

Photorefractive materials have been assuming ever increasing prominence in the non-linear
optics field due to their unique capability for displaying strong non-linear effects at milliwatt …

Even though the Kukhtarev model [SOy. Tech. Phys. Lett. 2, 438 (1976); SOy. Phys. Solid
State 16, 2414 (1975); Ferroelectrics 22, 949 (1979); SOY. J. Quantum Electron. 8, 231 …

Depending on their characteristics (energy, concentration,...) localized imperfection levels,
directly or indirectly, determine the properties of photorefractive materials. The aim of this …