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DURABLE MgO-MgF2 COMPOSITE FILM FOR INFRARED ANTI-REFLECTION COATINGS
DURABLE MgO-MgF2 COMPOSITE FILM FOR INFRARED ANTI-REFLECTION COATINGS
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机译:耐用的MgO-MgF2复合膜,用于红外抗反射涂层
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摘要
This disclosure is directed to an optic having a composited MgO—MgF2 infrared anti-reflective coating that is suitable for use in LWIR, MWIR and SWIR ranges, and is particularly suitable for use in the LWIR range. The coated optic disclosed herein passes the severe abrasion test with a barring force between 2 pounds and 2.5 pounds. The MgO—MgF2 infrared anti-reflective coating has a thickness in the range of 500 nm to 1500 nm and a reflectance value Rx at 12° of less than 2% in the wavelength range of 7.25 nm to 11.75 nm.
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