Abstract

We report the efficient compact deep-blue laser at 457nm generation by intracavity frequency doubling of a continuous wave (cw) laser operation of a diode-pumped Nd:YVO4 laser on the F324I924 transition at 914nm. An LBO crystal, cut for critical type I phase matching at room temperature is used for second-harmonic generation (SHG) of the laser. At an incident pump power of 38W, as high as 13.2W of cw output power at 457nm is achieved with 15-mm-long LBO. The optical-to-optical conversion efficiency is up to 34.7%, and the power stability in 2h is better than ±2.68%.

© 2009 Optical Society of America

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