Compact goniophotometer for packaged LEDs and small LED modules [Sep 2011]
September 26, 2011 10:28 am
The compact LEDGON 100 Goniophotometer from Instrument Systems has been specially developed for analysis of the spatial radiation patterns from individual LEDs and small LED modules. The entire hemisphere can be measured in the forward direction of the LED. The angular resolution of 0.1° means that exact measurement values can be obtained for narrow-angled LEDs with excellent reproducibility.
Combined with a spectroradiometer from Instrument Systems, all spectral parameters, for example colour coordinates or colour temperature can be measured as a function of angle. This is particularly relevant for white LEDs where these parameters can undergo significant change depending on the radiation angle.
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