Manufactures silicon photodiodes, APDs, silicon image sensors, CCDs, InGaAs photodiodes, and InGaAs image sensors with support electronics. IR detectors 1-16 microns. Position-sensitive detectors, LEDs, pulsed-laser diodes, phototransistors, photoreflectors, and photointerrupters. Photomultipliers, photomultiplier modules, microchannel plates, fiber-optic plates with phosphorous image intensifiers, and associated power supplies.