Figure 9.
Quantum efficiency of different photocathode materials. Data were obtained from detector manufacturer’s specification sheets or measurements performed at the Space Sciences Laboratory. Cascade: back-illuminated Si EMCCD camera manufactured by Photometrics, Tucson, AZ; SPCM-AQR-14: reach-through Si SPAD manufactured by Perkin-Elmer Optoelectronics, Fremont, CA; H7422-40: GaAsP/MCP photon-counting PMT manufactured by Hamamatsu Photonics, Bridgewater, NJ; I-Pentamax: GaAs/MCP based intensified CCD camera manufactured by Princeton Instruments, Trenton, NJ. H33D Gen I: time-resolved position-sensitive photon-counting detector developed by ourselves (see text).