Continuous coherent erasure of dynamic holographic interconnects in photorefractive crystals

A Marrakchi - Optics letters, 1989 - opg.optica.org
The holographic double-exposure technique is applied to elementary gratings in
photorefractive crystals. The result is an interconnection strength that is a continuous …

Angle-dependent diffraction efficiency in a thick photorefractive hologram

H Zhou, F Zhao, TS Francis - Applied optics, 1995 - opg.optica.org
The diffraction from a thick photorefractive hologram is shown to be angular dependent,
which originates mainly from the angle-dependent effective electro-optic coefficient of a …

Interference-term real-time measurement for self-stabilized two-wave mixing in photorefractive crystals

PAM Dos Santos, L Cescato, J Frejlich - Optics letters, 1988 - opg.optica.org
We report the real-time direct interference-term measurement for a two-wave-mixing
experiment in photorefractive crystals. Knowledge of the interference term may provide …

Holographic scattering as a technique to determine the activation energy for thermal fixing in photorefractive materials

MA Ellabban, G Mandula, M Fally, RA Rupp… - Applied Physics …, 2001 - pubs.aip.org
We introduce holographic scattering as a technique to determine the activation energy for
thermal fixing of refractive index patterns in photorefractive crystals. After recording a …

Holographic imaging with multimode, large free spectral range lasers in photorefractive sillenite crystals

EA Barbosa - Applied Physics B, 2005 - Springer
The holographic imaging of rigid objects with diode lasers emitting in many wavelengths in a
sillenite Bi 12 TiO 20 photorefractive crystal is both theoretically and experimentally …

Visualizations of light-induced refractive index changes in photorefractive crystals employing digital holography

Z Jian-Lin, Z Peng, Z Jian-Bo, Y De-Xing… - Chinese Physics …, 2003 - iopscience.iop.org
We propose a novel approach to visualize the light-induced refractive index changes in
photorefractive crystals employing digital holography. The holograms formed in a Mach …

Investigation of the dynamic recording process of thick refractive index gratings in photorefractive crystals by the microphotometric method

RA Rupp - Applied Physics B, 1987 - Springer
Diffraction-efficiency measurements are compared with the microphotometric determination
of the intensity pattern at the exit face of a LiNbO 3-sample during the holographic recording …

“Running” holograms in photorefractive Bi12SiO20 crystals

SI Stepanov, VV Kulikov, MP Petrov - Optics Communications, 1982 - Elsevier
It is shown that under uniform illumination and application of an external electric field, a
phase volume hologram in a photorefractive crystal exists in the form of relaxing running …

Real-time image subtraction in four-wave mixing with photorefractive Bi12GeO20 crystals

YH Ja - Optics Communications, 1982 - Elsevier
Based on a classical two-exposure holographic technique, real-time image subtraction is
obtained in four-wave mixing of a reflection hologram type with highly sensitive …

Recording a static hologram with laser beams of different frequencies in photorefractive crystals

PN Ilinykh, OP Nestiorkin, BY Zel'dovich - JOSA B, 1991 - opg.optica.org
A mechanism for recording a static hologram in photorefractive Bi_12TiO_20 crystal by a
moving interference pattern is studied theoretically and experimentally. The mechanism is …