Photorefractive optical holographic correlation using a Bi12TiO20 crystal at λ= 0.633 μm

SG Faria, AA Tagliaferri, PAM dos Santos - Optics communications, 1991 - Elsevier
This paper reports real time optical holographic correlation using the Bi 12 TiO 20
photorefractive crystal at λ= 0.633 μm. The experiments were performed in the diffusion-only …

Growth and photorefractive properties of near-stoichiometric In: Fe: Cu: LiNbO3 crystals

X Sun, S Luo, H Shi, Q Meng, Y Jiang - Optics communications, 2009 - Elsevier
The near-stoichiometric LiNbO3 crystal co-doped with In2O3, Fe2O3, and CuO has been
grown from a Li-rich melt (Li/Nb= 1.38, atomic ratio) by the Czochralski method in air …

Fast responsive nonvolatile holographic storage in LiNbO3 triply doped with Zr, Fe, and Mn

Y Kong, F Liu, T Tian, S Liu, S Chen, R Rupp, J Xu - Optics letters, 2009 - opg.optica.org
Iron and manganese doubly doped LiNbO_3 (LN: Fe, Mn) has been suggested for
nonvolatile photorefractive recording; however, its response time is still of the order of …

Visualizations of light-induced refractive index changes in photorefractive crystals employing digital holography

Z Jian-Lin, Z Peng, Z Jian-Bo, Y De-Xing… - Chinese Physics …, 2003 - iopscience.iop.org
We propose a novel approach to visualize the light-induced refractive index changes in
photorefractive crystals employing digital holography. The holograms formed in a Mach …

Image and hologram fixing method with SrXBa1−XNb2O6 crystals

M Horowitz, A Bekker, B Fischer - Optics letters, 1993 - opg.optica.org
We demonstrate a new fixing method with SrxBa_1− xNb_2O_6 crystals. This is done by
inducing ferroelectric domains in the crystal in real time, by a screening mechanism. Images …

Near-infrared performance of photorefractive nickel-doped KNbO3 crystals

Y Ding, HJ Eichler, ZG Zhang, PM Fu, DZ Shen, XY Ma… - JOSA B, 1996 - opg.optica.org
Nickel-doped potassium niobate crystals show strong photorefraction in the near-infrared
wavelengths from 700 to 800 nm. Two-wave mixing gain coefficients as high as 9 cm^-1 are …

Effect of scattering noise on the data fidelity of holograms recorded in photorefractive crystals

M Qin, S Tao, G Liu, X Ding, D Wang - MRS Online Proceedings …, 2001 - cambridge.org
In this paper a method is proposed to investigate how the scattering noise of photorefractive
crystals influences the quality of an input data page in holographic storage. By illuminating …

Improvement of the two-beam coupling response time in photorefractive double-doping KNbO3

Z Zhi-guo, Y Ding, HJ Eichler, F Pan-ming… - Chinese physics …, 1997 - iopscience.iop.org
We report experimental studies on the photorefractive response of KNbO 3 doubly doped
with manganese and rubidium, iron and rubidium, respectively. Two-beam coupling …

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 …

Grating formation and decay in photochromic Mn, Ce: LiNbO3

KS Lim, SJ Tak, SK Lee, SJ Chung, CW Son… - Journal of …, 2001 - Elsevier
We report photochromic properties of manganese and cerium co-doped lithium niobate
crystals that is a candidate for nonvolatile holographic storage. The reduction and ultraviolet …