… the photorefractive material is made faster, its conjugate … conjugate signals of proportional
fidelity. Efforts to increase the speed of photorefractive materials for use in phase conjugation …

… phase conjugation will be reported. After discussing the general principles of the photorefractive
… above and to compare them with other photorefractive materials. It will be shown that it …

… structures of the fields responsible for incoherent scattering or above mentioned phase
conjugation or mutual conjugation geometries. We base our analysis of the photorefractive …

… the photorefractive effect and its consequences. In Section IX we discuss the speed of
photorefractive … of the recent applications of the photorefractive effect to optical phase conjugation. …

… Now we consider the phase shifts of phase conjugators. To obtain an expression for the
functional dependence of the phase of phase-conjugate waves, we consider the simplest case …

… This chapter has reviewed some of the applications of photorefractive materials for optical
phase conjugation and optical resonators. In order for photorefractire materials to become …

… a phase-conjugate reflector that creates a phase conjugate wave of the incident beam, then
after passing back through the same disturbing medium… is based in photorefractive materials. …

… to the conjugate of the image-bearing beam. According to the distortion-correction theorem
of phase conjugation, the phase-conjugate … the phase conjugate of the image. Therefore the …

… by degenerate four-wave mixing in PR crystals is different in kind than phase conjugation in
other media and we cannot characterize the medium response by a simple constitutive third-…

… of nonlinear media to produce the fourth wave Sq, complex conjugate to the signal wave (Fig.
lb). The first observations of phase conjugation by four-wave mixing in photorefractive …