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Published September 15, 1991 | Published
Journal Article Open

Frequency doubling with KNbO3 in an external cavity

Abstract

Potassium niobate is employed in an external resonator to generate single-frequency tunable radiation near 430 nm. For excitation with 1.35 W of power from a cw titanium-sapphire laser, 0.65 W of blue light is produced. A simple model has been developed to account for thermal lensing in the nonlinear crystal.

Additional Information

© 1991 Optical Society of America. Received May 14, 1991. We gratefully acknowledge the contributions of S. J. Gu to the early phases of this research and the cooperation of G. Mizelle of Virgo Optics. This research was supported by the U.S. Office of Naval Research, by the National Science Foundation, and by Venture Research International.

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