When the average power of femtosecond Ti:sapphire laser is 560mW,the SHG output power is 352mW with type I phase matching BBO crystal. The SHG conversion efficiency is 63%.

• 采用一类相位匹配的 BBO晶体 ,当飞秒钛宝石光脉冲平均功率为 560 m W时 ,二次谐波输出功率为 352 m W,二次谐波转换效率高达 63%25 ;