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计算了Nd∶GdCOB晶体的相位匹配角。用Datachroom 5 0 0 0染料脉冲激光作为泵浦源 ,在Nd∶GdCOB晶体中实现了由 13 3 1.0nm到 665 .5nm的自倍频激光运转 ,阈值能量为 14.2mJ;当泵浦能量为 2 5mJ时 ,665 .5nm激光的输出能量为 0 .62mJ ,相应的转换效率为 2 .5 %。
The phase matching angle of Nd: GdCOB crystal was calculated. Using Datachroom 500 dye laser as pump source, self-doubling laser with 13 3 1.0nm to 665.5nm was operated in Nd: GdCOB crystal with the threshold energy of 14.2mJ. When the pump energy is 2 At 5 mJ, the output energy of the 665 .5 nm laser is 0.62 mJ and the corresponding conversion efficiency is 2.5%.