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.
Highland Technology Inc. - San Francisco, CAProvides precision analog measurement and signal generation, data acquisition and control instrumentation, pulse and picosecond timing delay generation, laser diode drivers, waveform generators, and fiber optic, photonics, and mixed technology products for demanding aerospace and defense, scientific, and industrial applications.