Ytterbium Fluoride

Ytterbium fluoride is a water insoluble inorganic compound composed of fluoride and the rare earth ytterbium.

Glass (Optical)
Ytterbium fluoride is sometimes used in phosphors, optical materials, coatings, and optical glasses. Its most popular application is in fiber amplifier and fiber optic technologies, while higher purity materials are used as doping agents.

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