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Title: Detector Based Photometric And Radiometric Metrology
Author: George Eppledauer, Chris Cromer, R. Phelan Jr, J. Lehman, D. Larson
Source: 1991 Measurement Science Conference
Year Published: 1991
Abstract: We describe a spectral response measurement technique using silicon photodiodes in a light trapping configuration similar to that used in the UDT QED-200. The QED-200, which has a unit external quantum efficiency, is used to measure the spectral response of the trap in the visible spectral region. By modeling and extrapolating the internal quantum efficiency of the trap, the spectral response from 400 nm to 900 nm can be deduced to better than 0.33%.

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