Profile: Electro-Optical Systems, Inc. is a manufacturer of photo-detector/photodiode components, detector subassemblies, & custom instrumentation covering the complete UV/Vis - 40 micron spectral region. We specialize in integrating our photodiodes & detector components with our pre-amplifiers, & creating receiver modules. Our product line consists of photodiodes and photoconductors of a variety of different starting materials, giving the broadest selection from one source in the industry. We provide accessories which support all our receiver modules. We also supply pre-amplifiers, power supplies, controllers, Lock-In amplifiers, and a variety of data acquisition systems.