Photonis XP2020
Photomultiplier
FEATURES
Very Fast Very low noise Good linearity XP2020 Typical spectralDESCRIPTION
Window material Photocathode Refr. Index at 420nm Multiplier structure Borosilicate glass Bi-alkali 1.48 Linear focused Sk (mA/W) 100 Photocathode characteristics Spectral range : Maximum sensitivity at : Sensitivity : Luminous : Blue * : Radiant, at 420nm Min Typ 270-650 420 70 10 80 Max Unit nm nm µA/lm µA/lmf mA/W 10 7.5 1 Characteristics with voltage divider A Gain slope (vs supp. Volt., log/log) For a gain of Supply voltage * Anode dark current * Background noise * Single electron spectrum resolution Peak to valley ratio Pulse amplitude resolution for 137Cs Gain halved for a magnetic field of : Perpendicular to axis "n" : Parallel to axis "n" : Min Typ 9 3x10 7 Max Unit V 1750 2000 10 900 70 2.5 7.2 0.15 0.12 2600 100 2500 V nA cps % % mT mT 0,1 100 200 300 400 500 600 Wavelength (nm) 700 800 Gain 1E+8 Typical gain curve A 1E+7 For a supply voltage of : 2000V Linearity (2%) of anode current up to...