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.
Omega Optical LLC - Brattleboro, VTPrecision optical filters since 1969, from UV to NIR. We specialize in custom filters from prototype to OEM quantities. Fluorescence, astronomy, and overrun filters in stock. Prototyping, engineering, and high-volume production utilizing plasma-assisted reactive magnetron sputtering, e-beam, thermal evaporation, and ion assist. ISO 9001:2015 Certified.
Valley Design Corp., Headquarters - Shirley, MAAS9100/ISO 9001 manufacturer of substrates, wafers, flat optics, precision shims/spacers, 0.127-mm sq to 450-mm diameter. Precision lapping, polishing, dicing, 5-axis CNC machining, small diameter core drilling, hole drilling. Ultrathin 10-20 microns, ultraflat, tight tolerances. Fused silica, glass, sapphire, ceramics, metals. Large inventory.