Abstract
Near-stoichiometric LiNbO3 crystals doped with 50 ppm Mn were grown by the top-seeded solution method. Two-color holographic recording was performed with a near-IR laser of 778 nm for writing and a violet laser of 407 nm for gating. The crystals were annealed in three different oxidation/reduction atmospheres. Holographic storage properties, two-color recording, sensitivity, dynamic range M/#, activity energy and dark decay time were measured and compared. These results were explained reasonably by measuring characteristic parameters, OH- absorption, induced absorption change, and lifetime of small polaron τs of these crystals.
© 2003 Optical Society of America
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