
handle: 11573/216350
Estimation of the Photon Detect Efficiency (PDE) of multi-pixel Geiger-mode avalanche photodiodes (G-APD) based on measurements of the G-APD response to low-intensity light is presented. The fit of the light-response spectra takes into account after-pulsing and cross-talk effects and yields the value of initial photons. Using a calibrated photo-detector as a reference, the value of the PDE can be calculated. The sources of systematic error of the obtained PDE is discussed as well as possibility for its minimization. © 2010 by World Scientific Publishing Co. Pte. Ltd.
After-pulsing; Cross-talk; G-APD
After-pulsing; Cross-talk; G-APD
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