Multiple rerecording and fixation of holograms in lithium niobate crystals doped with iron
Bobrinev V.I. , Vasil'eva Z.G., Gulanyan E.Kh. , Mikaelyan A.L.
Experiments are described on multiple recording and fixation of holograms in crystals of lithium niobate doped with iron. The recording was with the aid of an He-Ne laser (0.63 μ). Fixation was effected by heating the crystal to 75°C. The diffraction efficiency of the hologram is 16%.