... laser welding machine 3.Length: 1-180mm,Diameter: 2-12mm nd yag rod laser lens We are manufacturer and exporter of ... laser. We are able to stably supply the quality of Nd;YAG rods with high optical homogeneity, consistent performance, high processing ... per inchExtinction ratio>32db Transmittance99.8%Damage threshold >15J/cm2 nd yag rod laser lens