Diode-pumped CW Nd:YAG laser at 1116 nm based on the 4F3/2-4I11/2 transition
2011
We describe the output performances of the 1116 nm 4 F 3/2-4 I 11/2 transition (generally used for a 1064 nm transition) in Nd:YAG under in-band pumping with diode laser at the 809 nm wavelength. An end-pumped Nd:YAG crystal yielded 680 mW of continuous-wave (CW) output power for 18.2 W of incident pump power. Moreover, intracavity second-harmonic generation (SHG) has also been achieved with a power of 97 mW at 558 nm by using a LiB3O5 (LBO) nonlinear crystal. The yellow-green beam quality factor M 2 was less than 1.21. The yellow-green power stability was less 2.5% in 4 h.
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