A system capable of performing radiography using a beam of electrons. Diffuser
means receive a beam of electrons and diffuse the electrons before they enter first
matching quadrupoles where the diffused electrons are focused prior to the diffused
electrons entering an object. First imaging quadrupoles receive the focused diffused
electrons after the focused diffused electrons have been scattered by the object
for focusing the scattered electrons. Collimator means receive the scattered electrons
and remove scattered electrons that have scattered to large angles. Second imaging
quadrupoles receive the collimated scattered electrons and refocus the collimated
scattered electrons and map the focused collimated scattered electrons to transverse
locations on an image plane representative of the electrons' positions in the object.
