Product Name: YTTERBIUM FLUORIDE
Cas No.: 13760-80-0
MF: F3Yb
MW: 230.04
Description: Ytterbium fluoride, YbF3, is a low-index film material that exhibits good transparency from the UV through far-infrared regions. The films are insoluble and show low stress, making YbF3 a useful substitute for ThF4 in many IR applications. It can be combined in multi-layers with higher-index ZnS, ZnSe and Ge layers and with other fluoride compounds. Typical applications are in AR, long-wave pass, short-wave pass, and filter coatings in the 3 to 11μm wavelength range. A particular advantage that Ytterbium fluoride coatings provide is the minimum appearance of water absorption bands in the Mid-IR region.