Hamamatsu Photonics K.K. researches, develops, manufactures, and markets photomultiplier tubes, imaging devices, light sources, opto-semiconductors, and imaging and analyzing systems primarily in Japan, North America, and Europe. Its Electron Tube division provides photomultiplier tubes, electron multipliers, micro channel plates, X-ray image intensifiers, X-ray products, fiber-optic plates, and various light sources for use in medical, chemical analysis, measurement, industrial testing, and academic research applications. The company's Solid State division develops and manufactures silicon photodiodes, photo IC components, position sensitive detectors, infrared detectors, image sensors for low-light-level imaging and X-ray imaging, mini-spectrometers, light emitting devices, InGaAs PIN photodiodes, compound semiconductor photosensors, application products and modules, optical communication devices, and high energy particle/X-ray detectors for applications in medical imaging, high-energy physics, and scientific measurement. Its Systems division provides video cameras for scientific and industrial applications, as well as specialized instruments for use in the fields of pharmaceutical development, semiconductor manufacturing, X-ray nondestructive inspection, spectrophotometry, and optical communications. The company's Laser Group offers single chip semiconductor lasers and high-power semiconductor laser modules. Its Optical Communication Group provides optical wireless systems and digital solutions.