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Family ID The Family ID is used to identify product family presentations and can be used to quickly access presentations utilizing the search. #2314

Calcium Fluoride Double-Convex (DCX) Lenses

Greater than 90% Transmission from 350nm-7μm
Low Index of Refraction

Calcium Fluoride is often used in spectroscopic windows and lenses due to its high transmission from 350nm to 7μm. Calcium Fluoride is also commonly found in cryogenically cooled thermal imaging systems. Its low absorption and high damage threshold makes it a popular choice for excimer laser optics. Calcium Fluoride's low refractive index allows it to be used without an antireflective coating. The Knoop hardness of Calcium Fluoride is 158.3.