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ASU MBE Optoelectronics Group

Temperature Dependent I-V and QE

Temperature Dependent I-V and QE

The CTI-Cryogenics Cryocooler is a closed–cycle liquid helium cooled cryostat. The cold head is mounted on a slide rail for convenient positioning in front of the spectral QE measurement kit for low temperature QE or white light I-V measurements down to 5K. The cold...
Spectral Quantum Efficiency

Spectral Quantum Efficiency

The Oriel QE/ICPE Kit is a turn key system from Newport for spectral quantum efficiency measurements of solar cells. It includes a 150W xenon arc lamp, Cornerstone 260 1/4m monochromator complete with chopper and filter wheel attached, current preamplifier, Merlin...
Solar Cell Probe Station

Solar Cell Probe Station

The solar cell probe station is equipped with an Oriel Class A Solar Simulator. Solar cell I-V measurements can be performed on a temperature controlled chuck with Keithley 2420 source meter and a CCD microscope for alignment.
Integration sphere

Integration sphere

The integrating sphere collects external radiation from an optical source or device (such as a laser or a light emitting diode) usually for the purpose of flux measurement. Radiation introduced into an integrating sphere is dispersed very uniformly at the sphere...
Time-resolved electroluminescence

Time-resolved electroluminescence

A time-resolved luminescence spectroscopy system equipped with one GaAs PMT, one InGaAs PMT, and three MCT detectors allows measurements in the wavelength range of 0.3 microns to 12 microns. The system is capable of measuring time-resolved photoluminescence and...