Flat Optics IRD Glass manufactures mirrors; prisms of all types; precision, certified optical wedges; lighting wedges; flats and windows for many custom applications. Flatness is controlled using a combination of interferometers, precision gauging and regular equipment maintenance. Flatness of 1/10 wave and better is achieved regularly, along with parallelism of .000030" over a 9"+ substrate. Parts with angular tolerances better than 3 arc-minutes are provided to customers with NIST traceable certificates accurate to within 5 arc seconds for the optical angle. IRD also works with pattern masking and chrome on glass reticles on a regular basis.

Cylindrical and Spherical Optics They use many different types of high grade optical materials to make custom components, including custom thin-film coatings designed to improve optical performance. Standard coatings provided by IRD include mirrors, durable anti-reflection, high laser damage threshold coatings; band-pass filters, beam-splitters and other specialty coatings. Some of the high quality materials used at IRD include nBk7, B270, high index glasses, Schott filter glass, fused silica, quartz, 33 expansion borosilicate (Pyrex and others), Zerodur, and ULE.

IRD also assembles and tests the optics in mounting devices using UV-curable and other adhesives when requested by the customer.

Please reference the IRD Glass website for other typical and best tolerances for some standard operations.

For additional information please visit our website at http://www.irdglass.com or call us at (320) 693-7217