A line of very broadband mirrors for use in OEM and research applications is made by coating the substrates with a metallic film and then a dielectric overcoat. The coatings include protected gold (650 nm to IR), enhanced aluminum (400 to 700 nm), and enhanced silver (400 to 2000 nm). The substrates are made of BK7 glass with surface smoothness within 1/10 wave.
OptoSigma Corp., Santa Ana, CA
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