Abstract
We report a completely solid-state continuous-wave (CW) blue laser operating at 447 nm utilizing intracavity frequency tripling of an LD-side-pumped Nd:YAlO3 (Nd:YAP) laser operating at 1341.4 nm. An LBO crystal with type-I critical phase matching and a KTP crystal with type-II critical phase matching (CTM) were used for the second harmonic generation (SHG) and the third harmonic generation (THG), respectively. In view of the analysis of the cavity stability, a four-mirror folded cavity was designed and the output characteristics were theoretically analyzed. Experimental characteristics obtained were shown to be in agreement with the theoretical analysis. The maximum output power of the 447 nm CW blue laser reached 114 mW, which corresponds to a red-to-blue conversion efficiency of 9%.
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Jingzhao, L., Haiyong, Z., Chen, Z. et al. Completely solid-state LD-side-pumped Nd:YAlO3 CW blue laser with intracavity frequency tripling. J Russ Laser Res 29, 288–295 (2008). https://doi.org/10.1007/s10946-008-9018-1
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DOI: https://doi.org/10.1007/s10946-008-9018-1