Meller Optics Inc. - Providence, RIManufacturer of high-precision optical components made from sapphire. Capabilities include finish of other materials including Spinel, ALON, ZnS, Ge, Si, optical glass and more. Configurations provided include windows, spherical lenses, prisms, and domes available from stock or made to precise customer specifications. ITAR/DFARS/NIST Compliant.
SCHOTT North America Inc. - Duryea, PADevelops products for applications in optics, lithography, astronomy, automotive, consumer electronics, industrial, and life sciences. Offers a variety of optical and laser glasses, optical filters, glass ceramic, IR materials, optical components, custom glass development, precision finishing, and metrology capabilities.
National Aperture Inc. - Salem, NHManufactures precision apertures and miniature micropositioning components. Apertures: pinholes, air slits, and patterns on foils, exotic materials, and reflective surfaces. Micropositioning products: miniature motorized linear and rotary translation stages, PC-based servo-control systems, and light-duty servo amplifiers.