Nonlinear optical crystals and their manufacture and use

Details Nonlinear optical crystals and their manufacture and use Nonlinear optical crystals and their manufacture and use

2007-06-19

2011-11-22

Kunemund, Bob M (Department: 1714)

Single-crystal, oriented-crystal, and epitaxy growth processes;

Processes of growth from liquid or supercritical state

Having growth from a solution comprising a solvent which is...

C117S070000, C117S071000, C117S075000

Reexamination Certificate

active

08062420

ABSTRACT:
Described are nonlinear optical (NLO) crystals, including aluminum-borate NLO crystals, that have low concentrations of contaminants that adversely affect the NLO crystal's optical properties, such as compounds that contain transition-metal elements and/or lanthanides, other than yttrium, lanthanum, and lutetium. Some NLO crystals with low concentrations of these contaminants are capable of second harmonic generation at very short wavelengths. Also described are embodiments of a method for making these NLO crystals. Some embodiments involve growing a single NLO crystal, such as an aluminum-borate NLO crystal, from a mixture containing a solvent that is substantially free of harmful contaminants. The described NLO crystals can be used, for example, in laser devices.

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