Dynodes
•
Electrons emitted by the photocathode are attracted
to the first dynode and are accelerated to kinetic
energies equal to the potential difference between the
photocathode and the first dynode
•
When these electrons strike the first dynode, about
5
electrons are ejected from the dynode for each
electron hitting it
•
These electrons are attracted to the second dynode,
and so on, finally reaching the anode