Ohara Corporation, Eastern Office - Branchburg, NJManufactures precision optical glasses: strip/slab, blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (std./excimer grade). Ohara CCZ ultralow expansion (excellent CTE; large size). Nanoceram. Double-side polished substrates (low surface roughness, excellent flatness).
Glass Fab Inc. - Rochester, NYManufacturer of custom blanks. Products include fused quartz and silica, optical and filter glasses, and low/ultralow expansion glasses. Capabilities include annealing, slumping, sawing, grinding, edging, drilling, waterjet cutting, and CNC shaping and generating.
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.
Sydor Optics Inc. - Rochester, NYCustom manufacturer of precision flat-surfaced, parallel, and wedged optics specializing in double-sided polishing for transmitted wavefront and parallelism. Products include optical and IR windows, glass wafers, color glass filters, mirrors, wedges, plate beamsplitters, and witness samples. ITAR registered, ISO 9001:2015 certified.