Iron-doped lithium niobate single crystal, method for heat treat

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

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423275, 117948, C01G49/00;33/00

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059049120

ABSTRACT:
An iron-doped lithium niobate single crystal having a molar fraction of Li.sub.2 O/(Nb.sub.2 O.sub.5 +Li.sub.2 O) of from 0.495 to 0.50 which is closer to the stoichiometrical composition than a usual congruent composition, and a high diffraction efficiency by a two light wave mixture.

REFERENCES:
patent: 3932299 (1976-01-01), Phillips
Yasunori Furukawa et al, "Optical Damage Resistance and Crystal Quality of (8), pp. 3250-3254, Oct. 15, 1992.
J.R. Carruthers et al, "Nonstoichiometry and Crystal Growth of Lithium Niobate," Journal of Applied Physics, vol. 42, No. 5, Apr., 1971.
P. Lerner et al, "Stoechiometrie des Monocristaux de Metaniobate be Lithium," Journal of Crystal Growth 3, 4 (1968) 231-235, No Month.
von der Linde, et al., "Multiphoton photorefractive . . . LiNbO3" Applied Physics Lett. 25(3), Aug., 1974, pp. 155-157.
Gulanyan, et al., "Nondestructive readout of . . . iron doped lithium niobate crystals" Sov. J. Quantum Electron. 9(5), pp. 647-649, May 1979.

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