Knight Optical offer a range of Stock Sapphire Windows, for use within Infrared Systems

Knight Optical (USA) LLC

Knight Optical offer a range of Stock Sapphire Windows, for use within Infrared Systems. Sapphire has hardness of about HK2000, which makes it a better choice for windows and outer elements of lens systems. Sapphire has good transmission in the MWIR band, and can be used with optical glass in the NIR, and with Silicon or Germanium in the MWIR, to form well corrected doublets and lens systems. - Stock sizes from 5mm to 300mm diameter; between 0.5mm – 15mm thick. - Custom shapes and sizes available to quotation. - Edging down to smaller diameters, square and rectangular apertures.

*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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