
Who are we?
We manufacture, distribute and support professional light measurement systems.
- Lighting Manufacturers,
- Electronic Companies,
- Automotive Component Providers,
- Laboratories and Scientific Applications

Origins
The ensuing partnership created GL Optic as a start-up in 2009, and formed as a separate business unit in 2014. As of 2025, GL Optic is a fully Polish-owned, independent company.
In the picture (from L to R), there are Jan Lalek, the co-founder and CTO, and Michael Gall, the entrepreneur and co-founder.

Today

Future
We are expanding our business and services further. GL Calibration Laboratory is using a primary optical radiation reference standard – the black body radiator model. This is the first venture of such a standard in the Central and Eastern Europe. We establish a world-class metrological accuracy for the benefit of our customers. Our software and hardware are in a constant updating process to meet the requirements of international standards and provide the latest metrics.

What we do?
We are a full-line manufacturer of complete instrumentation for professional spectral light measurement.
- select quality components and suppliers
- start easy product testing
- develop better products faster
- improve quality management
- simplify standards compliance
- make short time market introduction
- provide reliable products avoiding claims
- improve performance
Why to choose us?

UNIQUE SYSTEMS
- Designed with usability in mind – our plug and measure concept is user friendly and helps to bridge the gap between reference laboratories and the real world challenges
- Instruments are not mass-produced, they are manufactured by skilled technicians and calibrated individually with traceable reference standard
- We offer complete systems with flexible interface to handle Photometry, Colorimetry, electrical and temperature control and measurements
Need customize measurement or special modification?

QUALITY & PRICE
- We are using only the highest quality sensors from a recognized supplier HAMAMATSU Photonics from Japan
- Coating and diffusing materials together with profiles and housing parts come from trusted suppliers from Germany
- Our electronic boards and software interface are being designed, manufactured and programmed in Poland.
- Our own calibration standards are traceable to PTB, LNE, and other top National Metrology Institutes

KNOWLEDGE
- We take active part in in CIE and IES meetings ensuring being up-to-date with new standards
- We cooperate with leading lighting institutes and technical universities
- We share our knowledge and experience with lighting specialists by trainings at tradeshows, exhibitions and in-house

SUPPORT
- We come from lighting industry and we understand light measurement from the lighting manufacturers’ perspective
- We offer an extensive know-how support for our end-users to help them manage their complex measurement challenges
- We provide consultations, modifications or customised solutions, trainings and consultations
Where are we?
