Abstract
We report a continuous-wave (CW) blue laser emission by sum-frequency mixing in Nd:GdVO4 and Nd:YLF crystals. Using type-I critical phase-matching (CPM) LBO crystal, a blue laser at 490 nm is obtained by 1063 and 908 nm intracavity sum-frequency mixing. The maximum laser output power of 118 mW is obtained when an incident pump laser of 18.2 W is used. At the output power level of 118 mW, the output stability is better than 4.2%.
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