... light pass through Nd3+:YAG crystal, exciting ND3+:YAG laser, then the laser light pass through resonant cavity, forms a beam ... 1064nm, After amplification, reflection, transmission and other processes, the laser is projected to the object surfaces that need for welding ... 1set 2.Laser power, 1PC, 3.Optical route system, 1set 4.A set of testing controlling system and coordinated controlling software. 5 ...