2011•Laser PhysicsRequires access
504 nm blue-green laser based on sum-frequency mixing of diode pumped Nd3+ lasers
Yulong Wu, Guangyong Jin, Yi Dong
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Abstract
We report for the first time a continuous-wave (CW) blue-green radiation at 504 nm by intracavity sum-frequency generation of 946 nm Nd:YAG laser and 1080 nm Nd:YAlO 3 (Nd:YAP) laser. Using type-I critical phase matching LiB 3 O 5 (LBO) crystal, 504 nm blue-green laser was obtained by 946 and 1080 nm intra-cavity sum-frequency mixing, and output power of 215 mW was demonstrated. At the output power level of 215 mW, the output power stability is better than 4.7% and laser beam quality M 2 factor is 1.21.