UV Aluminum Mirror, Economy, Borofloat, 50.8 mm, λ/10, 250-600 nm

The 20D620AL.2 is an Economy UV Enhanced Aluminum Broadband Mirror. By taking advantage of advanced polishing techniques and our high-volume manufacturing, these mirrors are truly cost effective. This 50.8 mm (2.0 inch) diameter mirror is made from a 12.7 mm thick Borofloat® 33 substrate which is coated with the AL.2 aluminum coating. Borofloat® 33 has low thermal expansion and is an excellent substrate for most applications. The AL.2 UV enhanced aluminum coating is a durable, broadband UV reflector with an average reflectivity greater than 90% from 250–600 nm. The AL.2 aluminum coating contains a durable dielectric overcoat to prevent oxidation of the metal. This mirror has a λ/10 surface flatness and a 40-20 surface quality. This product is also available in 10-piece saving pack 20D620AL.2-PK.