Multiple-hologram recording with one-beam encoding

CS Chiang, MT Shiu, WH Wu, NG Yeh, CC Chang - Optics Express, 2012 - opg.optica.org
This research proposes a method that uses a single object beam to record multiple images
in a photorefractive crystal medium without having to use any reference wave. The object …

Effect of annealing in two-center holographic recording

A Adibi, K Buse, D Psaltis - Applied Physics Letters, 1999 - pubs.aip.org
Persistent holograms are recorded with red light in lithium niobate crystals doped with
manganese and iron. We find that the oxidation/reduction state of the crystal has a profound …

Control of sensitivity to hologram storage in LiNbO3 using an accessory photovoltaic crystal

JP Huignard, F Micheron - Optics Communications, 1976 - Elsevier
Enhancement of sensitivity to hologram storage in a LiNbO 3 crystal is reported by using an
accessory photovoltaic LiNbO 3 crystal, highly iron doped and reduced. With an illumination …

Holographic angle multiplexing combined with peristrophic multiplexing in a photorefractive LiNbO3 crystal

H Shin, M Lee - Optics communications, 2007 - Elsevier
We have investigated angle multiplexing combined with peristrophic (rotational) multiplexing
in a photorefractive LiNbO3 crystal of cylindrical shape. The peristrophic multiplexing was …

Fast photorefractive response in strongly reduced near-stoichiometric LiNbO3 crystals

XJ Chen, DS Zhu, B Li, T Ling, ZK Wu - Optics Letters, 2001 - opg.optica.org
The photorefractive response time of LiNbO_3 crystal is of the order of minutes, and such a
long response time limits the crystal's practical applications. We report the photorefractive …

Electrically controlled volume LiNbO3 holograms for wavelength demultiplexing systems

VM Petrov, C Denz, AV Shamray, MP Petrov, T Tschudi - Optical Materials, 2001 - Elsevier
We demonstrate the equivalence of the electric field and spectral multiplexing (SM)
technique for holographic recording in photorefractive materials. The proposed technique of …

Wide angular aperture holograms in photorefractive crystals by the use of orthogonally polarized write and read beams

AW Sarto, KH Wagner, RT Weverka, S Weaver… - Applied …, 1996 - opg.optica.org
We demonstrate a method of simultaneous holographic recording and readout in
photorefractive crystals that provides high write–read beam isolation and wide angular …

Holographic memory with one-beam geometry in photorefractive crystal

S Naruse, A Shiratori, M Obara - Applied physics letters, 1997 - pubs.aip.org
A new configuration holographic memory with a one-beam geometry in a photorefractive
crystal has been proposed, and recording of ten angle-multiplexed holograms in a Fe …

Local thermal fixing of a photorefractive LiNbO3 hologram by use of a CO2 laser

B Liu, L Liu, L Xu, J Ma, SH Lee - Applied optics, 1998 - opg.optica.org
A real-time, in situ fixing method by use of heating with a CO_2 laser beam is suggested for
thermal fixing of a small local hologram in the bulk of a Fe: LiNbO_3 photorefractive crystal …

Selective page-addressable fixing of volume holograms in Sr0.75Ba0.25Nb2O6 crystals

A Kewitsch, M Segev, A Yariv, R Neurgaonkar - Optics letters, 1993 - opg.optica.org
We demonstrate selective fixing of volume holograms in photorefractive media. Each
holographic page may be fixed individually and overwritten without destroying the other …