Large modulation effects in photorefractive crystals

GA Swinburne, TJ Hall… - 1989 Second International …, 1989 - ieeexplore.ieee.org
A numerical solution to the band transport equations is presented, which is quite general,
and predicts the behaviour of photorefractive materials in the saturation limit with a moving …

Vertical angular selectivity and grating degeneracy of volume holographic gratings

Q Yuan, S Tao, Z Jiang, X Yang - International Conference on …, 1996 - spiedigitallibrary.org
The vertical angular selectivity of volume holographic gratings in photorefractive crystals is
investigated both theoretically and experimentally. The vertical selective angle and the …

Perturbative analysis of higher-order photorefractive gratings

R Saxena, TY Chang - JOSA B, 1992 - opg.optica.org
Analytic expressions are derived for second-and third-order space-charge fields for a
moving intensity pattern and arbitrary field strengths. The dependence on the spatial …

Steady holographic gratings formed in photorefractive materials: influence of material parameters

M Carrascosa, JM Cabrera… - IEEE journal of …, 1991 - ieeexplore.ieee.org
An approach previously developed by M. Carrascosa and F. Agullo-Lopez (ibid. vol. QE-22,
p. 1369-75, 1986) to deal with the erasure kinetics of holographic gratings in photorefractive …

Adaptive interferometers using photorefractive crystals

SI Stepanov, IA Sokolov - 1989 Second International …, 1989 - ieeexplore.ieee.org
The authors report the detailed study of salient features of an adaptive interferometer
operating via dynamic two-wave mixing in a cubic photorefractive Bi/sub 12/SiO/sub …

Fundamental Noise Limits in Photorefractive Systems

F Vachss, C Gu, J Hong, T Chang - Photorefractive Materials, Effects …, 1991 - opg.optica.org
When photorefractive materials are included as elements in image and signal processing
systems, the dynamic range of the photorefractive element has a significant impact on the …

Vectorial solution to the photorefractive band transport model in the spatial and temporal Fourier transformed domain

PM Johansen - IEEE Journal of quantum electronics, 1989 - ieeexplore.ieee.org
The frequency dependence of the photorefractive effect is considered. The frequencies can
be applied by introducing a temporal phase shift in one of the beams in a two-wave mixing …

Space-charge grating kinetics in photorefractive crystals

NA Gusak - Technical physics, 2006 - Springer
Equations for the grating space-charge density and concentration of free carriers induced by
a standing light wave in an anisotropic photorefractive crystal are derived and solved. The …

Theory of nonlinear multiple-grating interaction in diffusion-dominated photorefractive media

HC Pedersen, PE Andersen, PM Petersen… - JOSA B, 1996 - opg.optica.org
Using a new model based on the so-called perturbational approach, we present a
theoretical analysis of nonlinear multiple-grating interaction in diffusion-dominated …

Holographic recording in photorefractive crystals with simultaneous electron‐hole transport and two active centers

S Zhivkova, M Miteva - Journal of applied physics, 1990 - pubs.aip.org
A theoretical model of the formation and behavior of holographic gratings in photorefractive
crystals, based on the assumption of two types of active centers being involved and …