Laser Research Optics - Providence, RI
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified stocking distributor of optical grade sapphire windows. Uncoated sapphire windows are available in 1 in. dia. & 0.125 in. thickness. Sapphire windows are available in metric sizes ranging from 20 mm dia. x 0.10 mm thickness to 22 mm dia. x 1 mm thickness. Coated metric sapphire windows are available with anti-reflective coating for maximum transmission from 532 nm to 755 nm with normal incidence angle.

Meller Optics, Inc. - Providence, RI
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of sapphire windows. Types of sapphire windows include IR, C-axis, optical & laser sapphire windows. Specifications of sapphire windows include 0.25 in. to 2.00 in dia., 0.020 in. to 0.125 in. thickness, 90 percent & 80 percent central dia. clear aperture & 3 & 1 arc minutes & 10 arc seconds parallelism. Features include high transmissions, chemical inertness, wear resistance & temperature stability. Sapphire windows are suitable for various applications including high intensity ultraviolet (UV) lamps, endoscopic components, medical & industrial gas analysis, furnace view ports & cryogenic view ports.