Ohara Corporation - Rancho Santa Margarita, CAPrecision optical glass: strip, blanks, pressings, polished balls, near-UV transmitting i-Line glass, ceramic substrates, CaF2, UV/IR materials, quartz, fused silica (standard/excimer grade), Nanoceram. Ohara CCZ ultralow expansion (excellent CTE uniformity, blank form, to 1.8 m diam). Double-side polished substrates (low surface roughness, excellent flatness).
Hamamatsu Corporation - Bridgewater, NJImporter and distributor of photonics components and subsystems for use in instrumentation. Products include photomultiplier tubes, solid-state photodetectors, IR detectors, image sensors, scientific cameras, light sources, and x-ray solutions.
Aperture Optical Sciences Inc. - Meriden, CTDesign and manufacture of satellite telescopes, aspheric mirrors, SiC optics, optics, and optical systems for high-energy lasers. Provides large aperture integrated mounts, beam expanders, beam steering mirrors, and telescopes. Optics are deployed in aerospace, directed energy, HEL research, and remote sensing applications.