SemiNex Corporation - Danvers, MAManufacturer of laser diodes in the 1250- to 1940-nm range for automotive lidar, professional medical, military, and industrial applications. High power semiconductor lasers are available as bare die and bar, as well as in a variety of packages including B and C mounts, TO-cans, laser engines, and fiber-coupled devices up to 100 W.
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).