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MAGNESIUM FLUORIDE (MgF2) windows and lensesAlkor Technologies manufactures Deep UV - vacuum UV grade MgF2 optical elements: MgF2 lenses, MgF2 windows, MgF2 wedges according to customer's specifications. The largest dimensions of MgF2 optics is 50 mm diameter. MgF2 lenses catalog
MgF2 window transmission, from DUV to IR. Sample thickness 10mm. Magnesium Fluoride is used for optical elements in the infrared where extreme ruggerness and durability is required. The single MgF2 crystal exhibits slight birefringence through its useful transmission range and its birefringence in the infrared could be useful. Magnesium Fluoride is similar to Calcium Fluoride in its resistance to water. The MgF2 windows is sensitive to thermal shock, but does not cleave. Irradiation does not lead to color centers. MgF2 transmits well into the DUV / VUV region at the hydrogen Lyman-alpha line (121nm) and beyond. MgF2 windows and lenses are also used for most UV optics and is excellent for eximer laser application.
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