… exhibited by iron-doped lithium niobate crystals for the efficiency of fixed holograms. In fact,
… appears only during the developing of the previously fixed grating because it is in this part …

… fixed hologram in photorefractive Fe-doped lithium niobate crystals by simultaneous self-stabilized
holographic … We show that a partially compensated running hologram is produced …

… up and the thermally fixed hologram appears. The fixed hologram is insensitive against
further illumination: if light shines on the crystal it helps to develop the hologram but does not …

… fixed holograms have been tested in nonvolatile optical storage systems based on hologram
… We concentrate mainly on lithium niobate, but the results for other photorefractive oxides …

… A significant increase in fixed ionic hologram lifetime is realized in lithium niobate with a low
… Fixed hologram lifetimes of ∼ 2 years at room temperature in dehydrated lithium niobate …

… Holograms are thermally fixed in photorefractive lithium niobate crystals, ie, they are recorded
at … Reproducible refractive index changes of thermally fixed holograms up to 7.510 4 are …

… hologram is based on a periodically poled lithium niobate (LN) crystal. However, due to the
limitations of traditional fabrication techniques, the pixel size of the LN hologram … hologram by …

… Photorefractive lithium niobate crystals (LiNbO3) are an attractive holographic recording …
Even under illumination, the lifetime of thermally fixed holograms is at least a few years [16]. …

… tuning of the Bragg condition of a thermally fixed hologram are demonstrated. … LiNbO3
crystals for fields of up to 65 kV/mm. Furthermore, electrooptic tuning of a thermally fixed hologram …

… To insure the holographic data storage of the crystals with a high signal-to-noise ratio, we
use the ordinarily polarized red beams to record and fix holograms in the oxidized and …