Band-Optics Technology - Nanjing, ChinaBand-Optics primarily fabricates high-precision off-axis parabolics, toroids, aspherics and spherical lenses, domes, prisms, filters, and flat windows by using optical-grade glasses, fused silica, sapphire, ZnSe, ZnS, Silicon, Ge, CaF2, Zerodur, and Aluminum. We serve OEM, defense, aerospace, semiconductor, medical, and bio industries worldwide.
FOCtek Photonics Inc. - Fuzhou, ChinaPrecision optical components, polarization optics, crystals, assemblies, megapixel CCTV lenses, 20 MP machine vision lenses, and optical system solutions. Advanced measurement systems include Prism Master, spheric lens measurement systems, interferometers, and spectrophotometers. ISO 9001, IATF/TS16949, ISO 14001, and ISO 13485 certified with SGS.
HHV Advanced Technologies Pvt. Ltd., Thin Films & Optics Div. - Bangalore, IndiaDesigns, develops, and manufactures a wide array of durable thin-film optical coatings in the UV, VIS, and IR (3 to 12 microns) region. Manufactures high-precision optical windows, spherical and aspherical lenses, wedges, prisms, and infrared domes in bulk volumes.