Gigahertz-Optik GmbH, founded in 1986, is a world class manufacturer of innovative UV-VIS-NIR light measurement instrumentation for industrial, medical and research applications. Our calibration laboratory for light measurement quantities provides the most extensive range of light measurement calibrations available from industry. Our ISO/IEC/EN 17025 accredited calibration laboratory for light measurement quantities (Registration number D-K-15047-01-00 DAkkS for spectral responsivity and spectral irradiance) offers the highest possible level in calibration and its traceability from industry. Our U.S. subsidiary Gigahertz-Optik, Inc., incorporated in 2001, along with a worldwide network of representatives serve our international customer base.
GL Optic is a manufacturer of comprehensive light measurement solutions. Subsidiary of JUST Normlicht, with over 30 years expertise manufacturing controlled viewing lighting systems. Products sold and serviced on all continents. From camera manufacturers, luminaire producers, and lighting engineers to print production companies, GL Optic products are relied upon across a wide range of industries and applications. On display: spectrometers, integrating spheres, goniometers, thermal controllers, programmable LED sources and analytical software for integrated, turn-key solutions.