The 670.7 nm coherent radiation was obtained by SHG of 1341.4 nm Nd: YAP laser in LiIO3 crystal and 447.1 nm blue coherent radiation was obtained by frequency summing in the KTP crystal.

• 本文报道用LiIO_3晶体将1341.；4nmNd:YAP脉冲激光倍频产生的670