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© 1990-2002 J.Paul Robinson, Purdue University
BMS 631 – LECTURE007.PPT
Signal Detection - PMTs
Cathode
Anode
Dynodes
Photons
in
Amplified
Signal
Out
End
Window
•
Requires Current on dynodes
•
Is light sensitive
•
Sensitive to specific wavelengths
•
Can be end`(shown) or side window PMTs
Secondary emission