Optical Coating Materials

ProTech Materials supplies a wide variety of optical coating thin
film materials in various forms. The table below includes the most
common optical coating materials we offer.
Material
 Symbol
 Purity (%)
 Planar (P),
Rotatable (R),
Evaporation (E)
Aluminum Doped Zinc Oxide
 AZO
 99.95-99.99
 P, R, E
Aluminum Oxide (Alumina)
 Al2O3
 99.9-99.99
 P
Cadmium Sulfide
 CdS
 99.995
 P, E
Cerium Oxide
 CeO2
 99.9
 P
Germanium
 Ge
 99.99-99.999
 P, E
Hafnium Oxide
 HfO2
 99.99
 P
Indium Oxide
 In2O3
 99.99
 P, E
Indium Tin Oxide
 ITO
 99.99
 P, R, E
Magnesium Flouride
 MgF2
 99.99
 P, E
Magnesium Oxide
 MgO
 99.9-99.95
 P, E
Molybdenum
 Mo
 99.95
 P, R, E
Niobium Pentoxide
 Nb2O5
 99.95-99.99
 P, E
Scandium Oxide
 Sc2O3
 99.9-99.99
 P
Silicon (poly or
monocrystalline)
 Si
 99.999
 P, R
Silicon Dioxide
 SiO2
 99.99-99.995
 P, E
Silicon Monoxide
 SiO
 99.9-99.95
 P, E
Tantalum Pentoxide
 Ta2O5
 99.99
 P, E
Titanium Oxide
 TiOx
 99.9-99.99
 P, R, E
Tungsten
 W
 99.95
 P, R, E
Tungsten Oxide
 WO3
 99.9-99.99
 P
Yttrium Oxide
 Y2O3
 99.9-99.99
 P, E
Zinc Selenide
 ZnSe
 99.9-99.99
 P, E
Zinc Sulfide
 ZnS
 99.9-99.99
 P, E
Zirconium Oxide
 ZrO2
 99.5-99.99
 P, E
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