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All-solid-state continuous-wave frequency-doubled Nd:YAG/LBO laser with 1.2 W output power at 561 nm

✍ Scribed by Y. Yao; Q. Zheng; D.P. Qu; K. Zhou; Y. Liu; L. Zhao

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 121 KB
Volume: 7
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.200910115

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✦ Synopsis

We demonstrate for the first time the generation of yellow-green laser at 561 nm in critically type-I phase matching LBO with intracavity frequency doubling of a diode-pumped Nd:YAG laser operated at 1123 nm under room temperature in a compact three-fold cavity. As high as 1.2 W of continuous wave output at 561 nm is achieved with an incident pump power of 10 W. The total optical to optical conversion efficiency is up to 13.3% and the stability of output power is better than 3% in 3 h. To the best of our knowledge, this is the first Watt-level 561 nm yellow laser generation by frequency doubling of Nd:YAG laser.

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All-solid-state continuous-wave frequency-doubling Nd:GdVO4/LBO laser at 541.5 nm

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Efficient continuous-wave intracavity frequency doubling of a diode-end-pumped Nd:GdVO4 laser operating on 4 F 3/2 -4 I 11/2 transitions at 1083 nm (generally used for a 1063 nm emission) has been demonstrated for the first time. With 18.7 W of diode pump power and the frequency-doubling crystal LiB