Request InfoTeledyne Acton OpticsTwo broadband optical coatings provide UV reflectivity while maintaining high reflectance up to the mid-infrared (MIR) wavelength range. Offered by Acton Optics & Coatings, part of Princeton Instruments Inc., the coatings are made of silver rather than aluminum, which has drawbacks in terms of reflectivity and absorption. The #4000 and #4100 coatings overcome the inherent reflectivity limitation of silver below 450 nm and deliver high levels of broadband reflectivity (typically >98 percent) from 400 nm to the MIR. 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