Selective page-addressable fixing of volume holograms in Sr_0. 75Ba_0. 25Nb_2O_6 crystals

A Kewitsch, R Neurgaonkar, M Segev, A Yariv - 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 …

Electrical fixing of photorefractive holograms in Sr_0. 75Ba_0. 25Nb_2O_6

Y Qiao, RR Neurgaonkar, S Orlov, D Psaltis - Optics letters, 1993 - opg.optica.org
Photorefractive holograms stored in Sr_0. 75Ba_0. 25Nb_2O_6 crystals are electrically fixed
at room temperature. The fixed holograms can be read out directly or after a positive-voltage …

Tilting of holograms in photorefractive Sr_0. 61Ba_0. 39Nb_2O_6 crystals by self-diffraction

K Buse, J Frejlich, R Pankrath, KH Ringhofer… - Optics letters, 1995 - opg.optica.org
Holographic gratings are written in photorefractive Sr_0. 61Ba_0. 39Nb_2O_6 crystals by
two interfering light beams. Angular-dependent readout of the holograms shows that …

Moving grating for enhanced holographic recording in cerium-doped Sr0.6Ba0.4Nb2O6

J Ma, JE Ford, Y Taketomi, SH Lee - Optics letters, 1991 - opg.optica.org
We demonstrate that holographic recording in photorefractive materials can be improved by
using a moving grating to reduce energy coupling. In cerium-doped Sr_0. 6Ba_0 …

Actively stabilized holographic recording for the measurement of photorefractive properties of a Ti-doped KNSBN crystal

S Bian, J Frejlich - JOSA B, 1995 - opg.optica.org
We report the use of actively stabilized holographic recording in high-diffraction-efficiency
crystals in which strong energy coupling occurs. We use this technique to characterize the …

Thermal hologram fixing in pure and doped KNbO3 crystals

G Montemezzani, P Günter - JOSA B, 1990 - opg.optica.org
We demonstrate holographic fixing by means of a thermal cycling procedure in pure and
doped photorefractive KNbO_3 crystals. At elevated temperatures (70–100° C) the …

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 …

Incremental recording for photorefractive hologram multiplexing

Y Taketomi, JE Ford, H Sasaki, J Ma, Y Fainman… - Optics letters, 1991 - opg.optica.org
We investigate an incremental recording technique for multiplexed hologram storage in
photorefractive crystals, in which each hologram is recorded with multiple short exposures …

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 …

Superior real-time holographic storage properties in doped potassium sodium strontium barium niobate crystal

Y Li, S Liu, M Yang, K Yang, K Xu, F Hou - Optics letters, 1997 - opg.optica.org
We demonstrate superior holographic storage performance in a cobalt doped potassium
sodium strontium barium niobate (Co: KNSBN) crystal that possesses a fast response time of …