Hydrothermal process for growing optical-quality single crystals

Details Hydrothermal process for growing optical-quality single crystals Hydrothermal process for growing optical-quality single crystals

1990-01-05

1991-11-19

Kunemund, Robert

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156621, 156624, 156DIG71, 156DIG75, 156DIG81, C30B 710

Patent

active

050663569

ABSTRACT:
A hydrothermal process for growing a crystal of MTiOXO.sub.4 at an elevated temperature is disclosed which employs a growth medium comprising a mineralizer solution, and is characterized as employing aqeuous mineralizer solution in which the concentration of M is at least about 8 molar, and as employing a growth region temperature of less than about 500.degree. C. and/or a pressure of less than 14,000 psi during crystallization. M is selected from the group consisting of K, Rb, Tl and NH.sub.4 and mixtures thereof, and X is selected from the group consisting of P and As and mixtures thereof.

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Jacco et al., "Flux Growth and Properties of KTiOPO.sub.4 ", Journal of Crystal Growth, vol. 70 (1984), pp. 484-488.
Laudise et al., "Phase Relations, Solubility and Growth of Potassium Titanyl Phosphate KTP", Journal of Crystal Growth, vol. 74 (1986), pp. 275-280.
Belt et al., "Low Temperature Hydrothermal Growth of KTiOPO.sub.4 (KTP)", SPIE Proc. 968, 100 (1988).
Jia et al., "The Solubility of KTiOPO.sub.4 (KTP) in KF Aqueous Solution Under High Temperature and High Pressure".
Belt et al., "Nonlinear Optical Materials for Second Harmonic Generative (KTP)".

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