Magnesium fluoride (MgF2) single crystal
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Major capability parameter
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Crystal structure
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M3
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Unit cell constant
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a=5.462 Å
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Melt point（℃）
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1418
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Density
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3.18（g/cm3）
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Hardness
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4（mohs）
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Thermal expansion
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18.85 x 10-6 /℃//c
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Index of refraction
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Ho=1.43382
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Through scope
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0.11-12.00
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Temperature index dh/dt x 10-6
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10.6 @0.8 m
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Growth method
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Bridgeman
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Size
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10x3，10x5，10x10，15x15，，20x15，20x20，
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dia2” x 0.33mm dia2” x 0.43mm 15 x 15 mm
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Thickness
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0.5mm，1.0mm
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Polishing
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Single or double
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Crystal orientation
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<001>,<100>,<110>
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redirection precision
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±0.5°
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Redirection the edge:
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2°（special in 1°）
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Angle of crystalline
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Special size and orientation are available upon request
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Ra:
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≤5Å（5µm×5µm）
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Pack
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100 clean bag，1000 exactly clean bag
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Magnesium fluoride (MgF2) single crystals has a good mechanical strength, Chemical stability and moisture resistance is good. Can be used as an optical window material of Vacuum ultraviolet to infrared. Such as a UV laser windows.
Moreover, magnesium fluoride single crystal also has a birefringence effect, can be used as a polarizing element.
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