UV radiometer

for UV-C LEDs and
low-pressure Hg germicidal lamps


Innovative spectrometer System

for determining the scattering and
absorption coefficients of turbid media



Measurement of Light –
Measurement with Light
Measuring devices for optical radiation

Light measurement technology directly from the manufacturer

Gigahertz-Optik GmbH provides more than thirty years of experience in the development, production, calibration and distribution of optical radiation measurement equipment for use in the ultraviolet to near infrared spectral range.

As an independent company, Gigahertz-Optik GmbH offers the high flexibility of a medium-sized German manufacturer, able to react to the needs of our customers and markets. Due to the individual, intensive support of end users and OEM customers across many sectors of research and industry, Gigahertz-Optik GmbH has won the long-term recognition and respect of its customers worldwide.

The needs of our customers in North and South America are fully serviced by our subsidiary Gigahertz-Optik Inc., Massachusetts.


Since 1986, Gigahertz-Optik GmbH has been supplying contemporary and innovative measurement technology offering our customers both accuracy and ease of use. Close cooperation with our customers is a constant driver of innovation for our sales and development teams. Our main products include photodetector based light meters, spectroradiometers, spectrophotometers, integrating spheres and calibration standards.  

Forschung und Entwicklung 2018 print en


In addition to our continual innovation, Gigahertz-Optik GmbH has always paid special attention to the quality of its products and services. In particular, we have always sought the best possible calibration for our products. This is notably reflected in the accreditation of our calibration laboratory for optical radiation measurements for the measurement of spectral sensitivity and spectral irradiance according to ISO / IEC 17025 (Deutsche Akkreditierungsstelle GmbH, DAkkS D-K-15047-01-00). 

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