Germanium Windows for Gas Detection

Knight Optical (USA) LLC

Germanium Windows (Ge) is used within Gas Detection as this Infrared Material can transmit over 45% between the 2-14µm up to a temperature on 45°C making it ideal for detecting the gas wavelengths across the whole spectrum. Typical specifications requested: Diameter Range: less than 5mm to 300mm Diameter Tolerance: better than ± 0.1mm Thickness Tolerance: +/- 0.2mm Clear aperture: 90% Centration tolerance: better than 1 arc minute Form error: better than 0.5 wave (633nm) over aperture Surface radius tolerance: less than 1 fringe over aperture

*Manufacturer's specifications subject to change without notice.


Knight Optical (USA) LLC is a global leader in the production and distribution of scientific optical components with a proven track record providing quality solutions to clients in the optics market. Our highly qualified and experienced workforce enables us to offer custom made solutions economically, in virtually any shape and size. Combining traditional methods with modern state-of-the-art systems and metrology equipment enables us to offer quality, competitiveness and prompt delivery schedules within 2 to 3 weeks from receipt of order.
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