GaAs (Cs) Photocathode, Wide Spectral Response, 51 mm (2") Diameter Head-on Type for Photon Counting, Low Dark Counts, Excellent P.H.D.

FEATURES
● Wide Spectral Response ............. 160 nm to 930 nm
● High Quantum Efficiency in Near IR ... 14 % at 632.8 nm
● Fast Rise Time ................................. 3.0 ns at 1500 V
● Excellent Single Photoelectron
    Pulse Height Distribution ........................... Peak to Valley Ratio 2.3 (at -20 °C)
● Low Dark Counts ..................... 20 s-1 Typ. (at -20 °C)

APPLICATIONS
● Raman Spectroscopy
● Fluorescent Spectroscopy
● Astrophysical Measurement
● Laser Detection