XP2020
Features
Very Fast Very low noise Good linearity
..
Typical spectral Description
Window material Photocathode Refr. Index at 420nm Multiplier structure Borosilicate glass Bi-alkali 1.48 Linear focused
Sk (m A/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 m A/W
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
Max
Unit
2000 10 900 70 2.5 7.2 0.15 0.12
2600 100 2500
V n A cps % % m T m T
0,1 100 200 300 400 500 600 Wavelength (nm) 700 800
Gain 1E+8
Typical gain curve
1E+7
For a supply voltage of : 2000V
Linearity...
