We use holographic techniques for the investigation of strongly oxidized LiNbO 3: Fe
crystals with small Fe 2+ concentrations and compare the results with theoretical predictions …

Macroscopic light patterns are thermally fixed in photorefractive iron-or copper-doped LiNbO
3 crystals with different hydrogen concentrations. Spatially resolved absorption …

The photorefractive properties of lithium niobate crystals containing zinc dopants as well as
iron ions are studied to obtain quantitative information on the influence of Zn. Elementary …

Abstract In LiNbO 3: Fe, Me crystals (Me= K, Mg, Zn) elementary holograms are recorded
and erased with frequency-doubled, ordinarily polarized pulses of a Q-switched Nd: YAG …

An experimental investigation of the influence of an externally applied magnetic field on the
dynamic grating formation in iron-doped lithium niobate is carried out. The diffraction …

A theoretical and experimental analysis of the magnetophotorefractive effect for a vectorial
holographic recording scheme is presented. Analytical expressions for the magnetic-field …

Lithium niobate crystals LiNbO3) are photorefractive. 1 Inhomogeneous illumination
redistributes charge, spacecharge fields build up and modulate the refractive index via the …

Illumination of photorefractive, iron-doped lithium niobate crystals (LiNbO 3: Fe) with x-rays
generates a conductivity that we determine from the speed of hologram erasure. The doping …

R. ORLOWSKI, E. KRATZIG and H. KURZ 1. Introduction Pyroelectric materials like LiNbO 3 with
light in- duced refractive index ch Page 1 Volume 20, number 1 OPTICS COMMUNICATIONS …

An analysis of the diffraction efficiency of photorefractive holograms in ferroelectric crystals is
shown to provide a novel technique for determining the nature and magnitude of the …