Gigahertz-Optik GmbH, founded in 1986, designs, manufactures and calibrates instruments and systems for light measurement applications. Complete light measurement solutions are offered, based on various instruments for measuring photometric, radiometric, colorimetric and electrical parameters of LEDs, OLEDs and other light sources. This includes measurement set-ups with integrating spheres, lenses, steradian tubes, diffusers for the measurement of luminous flux, luminance, luminous intensity and illuminance. Catalogue products, private label options, custom design and custom application services are offered. Its ISO/IEC/EN 17025 accredited calibration laboratory for optical radiation measurement quantities (Reg.-No. DKD-K-10601) forms the internationally accepted reference base for Gigahertz-Optik's instrument calibrations and calibration services. The U.S. subsidiary Gigahertz-Optik, Inc., along with a worldwide network of representatives, serve our international customer base.