Predictable quantum efficient detector II : characterization resultsMüller, Ingmar; Brida, G.; Kübarsepp, ToomasProceedings of NEWRAD : [Maui, Hawaii, 18-23 September 2011]2011 / p. 209-210 : ill Toward traceable few photon radiometryBrida, G.; Cheung, J.; Kübarsepp, ToomasProceedings of NEWRAD : [Maui, Hawaii, 18-23 September 2011]2011 / p. 293-294 : ill