THE SMART TRICK OF LASER CRYSTAL THAT NOBODY IS DISCUSSING

Various crystalline products are very distinctive concerning their hardness along with other properties, which identify with which approaches and how conveniently they can be Slash and polished with top quality.人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容�