External Quantum Efficiency Measurement System for Light Emitting Devices

External Quantum Efficiency Measurement System for Light Emitting Devices

Set up 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

Contact Information

Ilia N Ivanov
Research and development scientist
[email protected]