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Diode-pumped Nd:YAG laser emitting at 884 nm

We present what is, to the best of our knowledge, the first diode-pumped Nd-doped Y3Al5O12 (Nd:YAG) laser emitting at 884 nm, based on the 4F3/2 → 4I9/2 transition, generally used for a 946 nm emission. The use of a pump module with 16 passes through the crystal allowed the realization of a Nd:YAG thin-disk laser with 1.14 W of continuous wave (CW) output power at 884 nm. Moreover, intracavity second-harmonic generation (SHG) in CW mode has also been demonstrated with a power of 151 mW at 442 nm by using a BiB3O6 (BiBO) nonlinear crystal.