Self-stabilized holographic recording in reduced and oxidized lithium niobate crystals

I de Oliveira, J Frejlich, L Arizmendi… - Optics communications, 2004 - Elsevier
We investigate the behavior of non-stabilized and self-stabilized holographic recording
kinetics in reduced and oxidized Fe-doped lithium niobate crystals. We show that self …

Fixed holograms in iron-doped lithium niobate: simultaneous self-stabilized recording and compensation

J Frejlich, I de Oliveira, L Arizmendi, M Carrascosa - Applied optics, 2007 - opg.optica.org
We analyze the mechanisms leading to a highly diffractive fixed hologram in photorefractive
Fe-doped lithium niobate crystals by simultaneous self-stabilized holographic recording and …

Nearly 100% diffraction efficiency fixed holograms in oxidized iron-doped LiNbO3 crystals using self-stabilized recording technique

I de Oliveira, J Frejlich, L Arizmendi… - Optics communications, 2005 - Elsevier
We analyse the advantages and limitations of self-stabilized holographic recording for fixing
in photorefractive iron-doped LiNbO3 crystals. We study the effect of the degree of oxidation …

Avoiding hologram bending in photorefractive crystals

AA Freschi, PM Garcia, I Rasnik, J Frejlich, K Buse - Optics letters, 1996 - opg.optica.org
Dynamic coupled-wave theory predicts the bending of recorded hologram phase planes in
most photorefractive crystals. Bent holograms occur in LiNbO_3 and other photovoltaic …

Holographic phase-shift measurement during development of a fixed grating in lithium niobate crystals

I de Oliveira, J Frejlich, L Arizmendi, M Carrascosa - Optics letters, 2003 - opg.optica.org
We report what is believed to be the first direct measurement of the grating phase-shift
evolution during white-light illumination for the development of a fixed grating in an Fe …

Dynamics of holographic recording with focused beams in iron-doped lithium niobate crystals

F Kalkum, K Peithmann, K Buse - Optics Express, 2009 - opg.optica.org
Holograms are recorded with focused beams in an iron-doped lithium niobate crystal. The
diffraction efficiency shows a maximum after several seconds of recording, unlike in the case …

Self-stabilized holographic recording in LiNbO3: Fe crystals

PM Garcia, K Buse, D Kip, J Frejlich - Optics communications, 1995 - Elsevier
We describe the self-stabilized holographic recording in Fe-doped LiNbO3 crystals reaching
almost 100% diffraction efficiency using weak interfering beams of 514.5 nm wavelength …

Deeply modulated stabilized photorefractive recording in LiNbO3: Fe

J Frejlich, PM Garcia, AA Freschi - Optical Materials, 1995 - Elsevier
We report the use of active stabilization techniques for the recording of deeply modulated
holograms in LiNbO3: Fe, far exceeding the value required for 100% diffraction efficiency …

Holographic fixing, readout, and storage dynamics in photorefractive materials

A Yariv, S Orlov, G Rakuljic, V Leyva - Optics letters, 1995 - opg.optica.org
Holographic gratings in photorefractive crystals that are based on charge redistribution
inevitably decay as a result of ionic and electronic conduction. Under certain and restricted …

Experimental and theoretical study of non-volatile photorefractive holograms in doubly doped LiNbO3: Fe: Cu

L Ren, L Liu, D Liu, C Zhou, G Li - Optical Materials, 2003 - Elsevier
We report the bleaching properties of iron and copper co-doped lithium niobate crystals that
are candidates for non-volatile holographic storage. In experiment, we propose a three-step …