Carl Zeiss Spectroscopy GmbH - Jena, GermanyDevelops, produces, and distributes optical gratings, spectrometer modules, spectrometer systems, and solutions of high quality optical performance. Products are tailored to customers' specific needs. Offers innovative solutions for individual applications and create essential benefits in efficiency and process stability.
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.