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K. Li, H. Wang, N. J. Copner, C. B. E. Gawith, I. G. Knight, H.-U. Pfeiffer, B. Musk, and G. Moss
Abstract
A compact blue laser was generated by intracavity frequency doubling based on quasi-phase-matched second harmonic generation (SHG) in a MgO-doped periodically poled lithium niobate bulk crystal. A 49 single-transversemode edge-emitters laser bar with antireflective coating was used as a pump source. An optical output power of 1:2W SHG of blue lights at 465nm is generated at 45A injection current, equivalent to an overall wall-plug efficiency of 1.33%.
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