CSRayzer Optical Technology Co. Ltd. - Wuhan, ChinaOptical devices supplier and manufacturer of acousto-optic modulators, acousto-optic frequency shifter, avalanche photodiodes, fiber coil and ASE source, couplers, isolator, circulator, FRM, WDM, narrow linewidth laser diode, semiconductor optical amplifier, EDFA, used for for fiber laser, sensor systems, and FOG.
Special Optics Inc. - Denville, NJManufactures catalog and custom/OEM optical components and assemblies including microscope objectives, motorized zoom beam expanders, high-resolution diffraction-limited lenses, telecentric scanning, focusing and imaging lenses, wave plates, polarizers; also mounting hardware, optical coatings, and lens design services for UV to CO2 wavelengths.