Publication
Applied Physics Letters
Paper

Generation of 41 mW of blue radiation by frequency doubling of a GaAlAs diode laser

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Abstract

A monolithic ring resonator of KNbO3 was used for efficient frequency doubling of a 856 nm GaAlAs diode laser. A special electronic servo technique was devised to lock the diode laser frequency to the KNbO3 cavity so that stable generation of blue output was obtained. With 105 mW of incident near-infrared power, 41 mW of 428 nm radiation were produced. The conversion efficiency from electrical input power into the diode laser to blue output was ∼10%.

Date

01 Dec 1990

Publication

Applied Physics Letters

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