Accumulative recording of nonvolatile photorefractive holograms in LiNbO3: Fe: Mn crystals

L Liu, Y Liu, C Zhou, L Xu - Optics communications, 2001 - Elsevier
A cyclic scheme of a recording period with a red interference pattern and an ultraviolet (UV)
light and a following post-exposure period with an UV light is suggested to accumulate …

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 …

Optimal switching from recording to fixing for high diffraction from a LiNbO3:Ce:Cu photorefractive nonvolatile hologram

L Ren, L Liu, D Liu, J Zu, Z Luan - Optics letters, 2004 - opg.optica.org
An oscillatory characteristic of diffraction is observed as a result of strong beam coupling in a
weakly oxidized LiNbO_3: Ce: Cu crystal during the recording step in the production of …

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 …

Nonvolatile photorefractive holograms in LiNbO3:Cu:Ce crystals

Y Liu, L Liu, C Zhou, L Xu - Optics Letters, 2000 - opg.optica.org
We report experimental and theoretical studies of nonvolatile photorefractive holographic
recording in LiNbO_3: Cu: Ce crystals with two illumination schemes:?(1) UV light for …

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 …

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 …

Nonvolatile holograms in LiNbO3:Fe:Cu by use of the bleaching effect

D Liu, L Liu, C Zhou, L Ren, G Li - Applied optics, 2002 - opg.optica.org
We report our observation of a bleaching effect under an ultraviolet exposure in LiNbO_3:
Fe: Cu crystals. Two three-step recording-transferring-fixing schemes are proposed to record …

Procedure for recording multiple-exposure holograms with equal diffraction efficiency in photorefractive media

AC Strasser, ES Maniloff, KM Johnson, SDD Goggin - Optics letters, 1989 - opg.optica.org
We report experimental results that demonstrate for the first time, to our knowledge, more
than 20 holograms stored and recalled with equal diffraction efficiency in photorefractive …

Thermal fixation of the photorefractive holograms recorded in lithium niobate and related crystals

T Volk, M Wöhlecke - Critical reviews in solid state and materials …, 2005 - Taylor & Francis
With emphasis on LiNbO 3 the basic principles, the developments over four decades, and
recent applications of the thermal fixation of photorefractive holograms are reviewed …