OBO supply high quality Anti-Reflective coatings, high efficiency multilayer broadband coatings using multi-layers are used in the 3-5µm wavebands, which are usually referred to as the atmospheric windows.
* Substrate available: Si, Sapphire, Ge
* Surface Flatness: <1/2λ
* Diameter: ~4”
* Thickness: 0.2~5mm
* Please contact Orange Bright Optic for further information on 3-5um AR coating capabilities to discuss your current requirements, or to request a quote.