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Fairfield Crystal uses a unique source material purification with a vertical-Bridgman method to grow synthetic high-purity BaF₂ single crystals. Barium Fluoride is transparent from the ultraviolet (UV) to the infrared (IR) from 0.200 to 14.0 µm, and is used to make optical components, such as windows for infrared spectroscopy. Barium fluoride is also a very fast scintillator used for the detection of X-rays, gamma rays or other high energy particles. One of its applications is the detection of 511 keV gamma photons in Positron Emission Tomography (PET). It responds also to alpha and beta particles, but, unlike most scintillators, it glows in ultraviolet light. It can be also used for detection of high-energy neutrons, and use pulse shape discrimination techniques to separate them from simultaneously occurring gamma photons.

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OPTICAL PRODUCTS/MATERIALS

• Lithium Fluoride
• Zinc Sulfide (ZnS)
• Calcium Fluoride (CaF2)
• Magnesium Fluoride (MgF2)
• Barium Fluoride (BaF2)
• High-Purity Deposition Materials

SEMICONDUCTOR PRODUCTS/MATERIALS

• Single Crystal Aluminum Nitride (AlN)
• Single Crystal Zinc Sulfide (ZnS)
• Single Crystal Silicon Carbide (SiC)