Quantum Efficiency System
Sciencetech Inc.Request Info
A quantum efficiency system uses two light sources simultaneously
to illuminate the solar cell being tested. Sciencetech Inc.’s SKU: SS-QE-150
quantum efficiency (QE) system comprises a 150-W tunable-wavelength monochromatic
light source and a separate solar simulator for use as the white light bias. The
light source is identical to the one used for the spectral response system, with
a motorized optical chopper between the xenon light source and the scanning monochromator
to modulate the light. A source meter used as an active load permits operating the
test cell at various load conditions, including short-circuit, compensating for
a series resistor required to sense the current produced by the modulated monochromatic
light.
https://www.sciencetech-inc.com/home
/Buyers_Guide/Sciencetech_Inc/c13238
Published: April 2011
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