The solar cell spectral response system used is the QEX7 model from PV Measurements Inc. The unit is designed for beam-up and beam-down operation. A xenon arc lamp is employed with a dual-grating monochromator. Silicon and germanium photodiodes are used for calibration.
Equipment Specifications[edit | edit source]
- Wavelength range: 300 nm to 1100 nm
- Wavelength interval: 5-20 nm, selectable
- Monochromatic beam spectral bandwidth: 4-5 nm FWHM
- Chopping frequency range: 4-200 Hz
- Voltage bias capability: -1.0 V to +1.0V
- Repeatability: Better than 0.2% for 400-1050nm, better than 0.7% outside
- Vacuum test fixture: 50mm x 50mm
More Info[edit | edit source]
- A nice summary (dead link)