Advanced Optics Inc. - Pewaukee, WIAdvanced Optics manufactures custom optics, precision optics, as well as off-the-shelf optical mirrors, optical windows, optical flats, optical filters, and optical lenses from prototype to production. We carry a wide range of substrates in-house, precision polish up to lambda/20 and provide custom fabrication and coatings.
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).