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External Quantum Efficiency Measurement System for Light Emitting Devices

External Quantum Efficiency Measurement System for Light Emitting Devices

Setup enables quantitative brightness, emission spectrum and chromaticity measurements) of light emitting devices with areas 2mm2

 

Specifications/Capabilities/Extras

  • Luminous flux range: 0.0013-0.12 lm with emission area of 2mm2
  • I-V-L measurement using integrated sphere. 

Absolute photoluminescence measurements 200-950 nm (Hamamatsu spectrometer)

  • Light distribution as a function of emission angle (min resolution 0.1°): 0-80o -80..+80o