Hellma - Calcium Fluoride Optical Materials for UV / VIS / IR Applications - Brochure

Hellma Materials CaF₂ has been utilized as an optical key material in microlithography for semiconductor production for many years. CaF₂ is established as an industry standard material for excimer laser optics in projection and illumination optics. The unique optical properties of CaF₂ enable a variety of advanced applications.