Abstract

We report an efficient diode-pumped Nd-doped Gadolinium gallium garnet(GGG) continuous-wave (CW) laser operating at 938 nm. Laser action of1.6at.% Nd-doped GGG crystals with different lengths and temperaturesare also investigated. The maximum output power of 620 mW is obtainedat the incident pump power of 5.0 W with a slope efficiency of 15%.

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