Applications of photorefractive crystals

SI Stepanov - Reports on progress in physics, 1994 - iopscience.iop.org
The main suggestions in practical applications of dynamic photorefractive holographic
recording for interferometry, processing of 2D pictures, operations with laser beams, and …

Theory of photorefractive vectorial wave coupling in cubic crystals

BI Sturman, EV Podivilov, KH Ringhofer, E Shamonina… - Physical Review E, 1999 - APS
We present an analytical theory of vectorial wave coupling in photorefractive cubic crystals
which are, in general, optically active. The theory is based on the systematic use of the …

Space-charge waves in photorefractive crystals and their parametric excitation

BI Sturman, M Mann, J Otten, KH Ringhofer - JOSA B, 1993 - opg.optica.org
It is shown that weakly damped space-charge waves exist in photorefractive crystals with a
sufficiently large lifetime–mobility product. The dispersion law, the damping constant, and …

Photorefractive grating formations at large modulation with alternating electric fields

GA Brost - JOSA B, 1992 - opg.optica.org
A finite-difference technique was used to model photorefractive grating formations in sillenite
crystals under nonstationary recording conditions of applied ac electric fields. These …

Holographic double-exposure interferometry in near real time with photorefractive crystals

D Dirksen, G Von Bally - JOSA B, 1994 - opg.optica.org
A holographic interferometric technique based on fast sequences of double exposures in
photorefractive crystals for the dynamic analysis of reflection-type objects is presented …

Dynamic holographic interferometry by photorefractive crystals for quantitative deformation measurements

B Pouet, S Krishnaswamy - Applied optics, 1996 - opg.optica.org
A holographic interferometer that uses two-wave mixing in a photorefractive (Bi_12SiO_20)
crystal under an applied ac field is described. The interferometer uses a repetitive sequence …

Enhancement of the photorefractive gain at 1.3–1.5 μm in CdTe using alternating electric fields

M Ziari, WH Steier, PM Ranon, MB Klein, S Trivedi - JOSA B, 1992 - opg.optica.org
We report large enhancement of the two-beam-coupling gain in vanadium-doped cadmium
telluride. We used the applied-alternating-field method with square and sinusoidal …

Fundamentals of photorefractive phenomena

F Agulló-López, GF Calvo, M Carrascosa - Photorefractive Materials and …, 2006 - Springer
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 …

Characterization of photorefractive CdTe: V: high two-wave mixing gain with an optimum low-frequency periodic external electric field

JY Moisan, N Wolffer, O Moine, P Gravey, G Martel… - JOSA B, 1994 - opg.optica.org
We present two-wave mixing results obtained with CdTe: V photorefractive crystals under an
external dc or low-frequency square-shaped periodic electric field. The majority …

Phase shifting holographic double exposure interferometry with fast photorefractive crystals

D Dirksen, F Matthes, S Riehemann, G Von Bally - Optics communications, 1997 - Elsevier
A technique for quasi real-time holographic interferometry with reflection type objects is
presented. It is based on fast sequences of holographic double exposure interferograms …