Why are dipoles able to represent the electron beam?


#1

I would like to know the details of the modeling of the electron beam.
Does any reference mention details about the link below?
https://kb.lumerical.com/en/nanophotonic_applications_electron_beam_spectroscopy.html


#2

Hi @shihwen,

Thanks for waiting. For details about the method in FDTD I suggest taking a look at this reference:

The other references mentioned in the KB page, also have useful information.