Dear Steven and all meep users,
We are doing subwavelength research, and have used our
self-development FDTD 2D code to do our simulation in which we use "Drude
model" to describe a dispersive material (Referred to Allen Taflove, 3rd
Edition).
Recently, when we used meep, we've found there is only "Lorentz model" used
in this package. Since its parameters, like delta-epsilon, omega, and gamma,
is not easy to find. So there's a suggestion to do some approximation.
Following this, we get a similar result compared with ours. However, the EM
wave in the dispersive material is different with us. Could it be possible
to use Drude model in future?
Another suggestion, when we are setting dispersive materials, "omega" is
used to present omega_n. Maybe it will be confusing users with the incident
wave frequency (w). So I suggest to use a different name, such as 'omega_n'.
Best Regards,
J. S.
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