Quartz Material Protective Lens for YAG Laser
1> Material: Quartz
2> Diameter: 25.4 mm
3> Thickness: 4 mm
4> Film: Both side 1064 nm filming
5> Suitable for: YAG laser machine, like cutting,marking, and laser welding
6> Application: for above(≥) 2000 W.
Quartz is the second most abundant mineral in the Earth's c ontinental crust, after feldspar. Its crystal structure is a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
There are many different varieties of quartz, several of which are semi-precious gemstones. Since antiquity, varieties of quartz have been the most commonly used minerals in the making of jewelry ,hardstone carvings and laser lens industry, especially in Europe and the Middle East.
This link is for the quartz protective len,---- mainly for above 2000W laser.