Spectrometer adds dimension to goniometric characterization of SSL lamps and luminaires

While photodetectors have long been used alongside goniometers to characterize light sources, PASI MANNINEN and MIKOLAJ PRZYBYLA explain that a GONIO-SPECTROMETER system enables collection of a more robust set of parametric data for LED-based products. Published on Sep 3, 2015 in LEDs MAGAZINE by Mikolaj Przybyla nad Pasi Maninen   Goniometers are a class of optical [...]

Luminaire and integrating sphere size impact measurement accuracy

Standards prescribe integrating sphere size based on luminaire size, but MIKOŁAJ PRZYBYŁA explains that, for many product development and test purposes, a smaller sphere can deliver acceptable measurement accuracy. Published on: March 27, 2018 in LEDs MAGAZINE By Mikołaj Przbyła  GL Optic Integrating spheres are fast and convenient tools for measuring the radiant or luminous flux of light sources. Such [...]

Using Integrating Spheres Correctly to Measure LEDs

LEDs have opened up new dimensions of design freedom, allowing architects and designers to give free rein to their creativity. Light-emitting diodes permit manifold design solutions as a light source in illumination products. However, a suitable measuring method for comparing key technical data is required in order to get the best out of the diversity [...]

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