A high quality fixed holographic grating was recorded in a photorefractive LiNbO_3: Fe
crystal at about 100° C in a homemade temperature-controlled vacuum chamber. The …

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 …

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 …

We describe the self-stabilized holographic recording in Fe-doped LiNbO3 crystals reaching
almost 100% diffraction efficiency using weak interfering beams of 514.5 nm wavelength …

We report the recording of a fixed good quality transmission hologram in LiNbO 3: Fe with
maximum index-of-refraction modulation using the simultaneous recording/compensation …

PkG-U/i^) Page 1 PkG-U/i^) Optimum Replay Angle for Maximum Diffraction Efficiency of
Holographic G-atings in Fe:LiNbO3 Crystals S. Tao, DR Selviah and JE Midwinter Department …

Holographic gratings were thermally fixed in iron-doped photorefractive LiNbO_3 crystals
and developed with frequency-doubled Q-switched pulses of a Nd: YAG laser (light …

We analyze the mechanisms leading to a highly diffractive fixed hologram in photorefractive
Fe-doped lithium niobate crystals by simultaneous self-stabilized holographic recording and …

FIG. 2. Thermal time constants for erasure of fixed holograms and ionic relaxation. The
grating spacing depends on the wavelength and the angle between the beams; for 71 …

In order to obtain the maximum diffraction efficiency, holograms recorded in a
photorefractive crystal must be replayed by a readout beam incident at the correct angle …