[Industry News] Advantages And Disadvantages of YAG Lasers A YAG laser is a solid-state laser, where YAG stands for yttrium aluminum garnet crystal (Y3Al5012). It is a laser substrate with excellent comprehensive performance and is widely used in various lasers. In YAG lasers, neodymium (Nd)-doped ions are used as activation ions, which can produce 1.064µm