1. Product IntroductionThe index of refraction of magnesium fluoride is nearly ideal for the task of providing minimum reflectance with only a single layer film. When applied at high temperatures, MgF2 becomes a hard, durable coating that meets all standard MIL requirements. It exhibits broadband characteristics and can be applied on a variety of substrates for use in spectral regions from the UV to the NIR. MgF2 has the best performance:cost ratio of any antireflection coating.
Reflectivity (per surface)-1.3% for mid-visible on BK7
2.00% max on BK7
2.25% max on SiO2Practical Bandwidth~300 nmWavelength Range200 nm to 1500 nmSubstratesFused Quartz/Fused Silica (all grades)
Any Optical Glass
Other materials upon requestDurabilityPer MIL-C-48497AOrder AsMGF2Please SpecifySubstrate Material/Part Number
Surface(s) to be coated
Wavelength Range
Angle of incidence
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