Anaerobic Copper | Reflector is an oxygen-free, copper-base material which can support high laser power and is commonly used in industrial settings. After proper installation and alignment it will provide the limit diffraction focusing function. Anaerobic copper reflector has high reflectance and with a durable Mo layer, it is very easy to clean and work with under poor conditions. X-Z LAB can also customize various shapes and drill the holes for the reflector.