在平均功率密度为1mW/mm2的铜激光倍频光辐射30min后,实验得到了尺寸为12×2.5×5(mm)的固体模型。
And after the photopolymer being irradiated about 30 minutes at an average output laser power density of 1 mW / mm 2 , a solid model of the size of 12 × 2.5 × 5 ( mm ) was obtained .