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 …

Fixed photorefractive holograms with maximum index-of-refraction modulation in LiNbO3: Fe

VA Jerez, I de Oliveira, J Frejlich - Journal of Applied Physics, 2009 - pubs.aip.org
We report the recording of a fixed good quality transmission hologram in LiNbO 3: Fe with
maximum index-of-refraction modulation using the simultaneous recording/compensation …

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 …

Nonlinear mixing of spatial frequencies in photorefractive thermal fixing of holograms in LiNbO3

J Limeres, EM de Miguel-Sanz, A Suchocki… - Optical Materials, 2001 - Elsevier
The nonlinear combinations of gratings appearing in fixed multiplexed configurations during
the recording as well as during the fixing of holograms in LiNbO3 has been investigated. We …

Self-stabilized recording of fixed gratings at high temperature in LiNbO3:Fe

JP von Bassewitz, I de Oliveira, J Frejlich - Applied optics, 2008 - opg.optica.org
A high quality fixed holographic grating was recorded in a photorefractive LiNbO_3: Fe
crystal at about 100° C in a homemade temperature-controlled vacuum chamber. The …

Recording and fixing dynamics of nonvolatile photorefractive holograms in LiNbO_3: Fe: Mn crystals

L Ren, L Liu, D Liu, J Zu, Z Luan - Journal of the Optical Society of …, 2003 - opg.optica.org
A theoretical explanation of nonvolatile holographic recording in LiNbO_3: Fe: Mn crystals is
given based on jointly solving the two-center material equations and the coupled-wave …

Stabilized photorefractive modulation recording beyond 100% diffraction efficiency in LiNbO3:Fe crystals

AA Freschi, J Frejlich - JOSA B, 1994 - opg.optica.org
A small photochromic grating is selectively and continuously detected from a much larger
photorefractive modulation in Fe-doped LiNbO3 crystals in a two-wave mixing experiment …

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 …

Efficient pulsed photorefractive process in LiNbO3:Fe for optical storage and deflection

CT Chen, D Kim, D Linde - IEEE Journal of Quantum …, 1980 - ieeexplore.ieee.org
A Q-switched frequency-doubled Nd-YAG laser was used in recording holograms in LiNbO
3: Fe. The ensuing photorefractive sensitivity is approximately ten times higher than the …

Selective developing and screening of fixed photorefractive holograms

M Carrascosa, F Agulló-López - Optics communications, 1998 - Elsevier
Selective developing and screening of fixed photorefractive holograms is proposed and
discussed. Detailed simulations have been carried out for oxidized Fe: LiNbO3 most often …