Visible Spectrum Enhanced Aluminum

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For applications requiring greater levels of reflectance, aluminum is overcoated with a film of multi-layer dielectrics. Significantly greater reflectivity is achieved while retaining the excellent handling characteristics of protected aluminum.
Substrate Material: BK7 or other optical glass
Diameter Tolerance: +0, -0.2mm
Flatness: L/4@632.8nm
Surface Quality: 40/20 or 60/40
Coating: @450nm-650nm R>96%

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