Abstract
We report for the first time a continuous-wave (CW) blue laser emission by sum-frequency mixing in Nd:LuVO4 crystal. Using type-I critical phase-matching (CPM) LBO crystal, a blue laser at 493 nm is obtained by 1066 and 916 nm intracavity sum-frequency mixing. The maximum laser output power of 520 mW is obtained when an incident pump laser of 18.2 W is used. At the output power level of 520 mW, the output stability is better than 2.8%. The beam quality M2 value is are about 1.22 and 1.31 in both horizontal and vertical dimensions respectively.
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