Hello, dear Meep Users, Prof. Steven and  Dr.Paul.Kinsler.
I've thought about our previous discussion devoted to frequency-dependent 
components
of epsilon (or mu) tensor.
http://thread.gmane.org/gmane.comp.science.electromagnetism.meep.general/3520
And now I try to do some simple simulation with frequency dependent epsilon,
i.e. I'm using the ctl-construction like this:

(define mat2 (make dielectric (epsilon 1)
            (polarizations 
             ; Drude
             (make polarizability
               (omega 1e-5) (gamma 0.0187121) (sigma 2.84158e+6))
             
             ; Lorentz
             ;1
             (make polarizability
               (omega 0.0059685) (gamma 0.0127436) (sigma 34.0804))
             ;2
             (make polarizability
               (omega 0.019196) (gamma 0.0208898) (sigma 4.75533))
)))

But I want to simulate of the signal propagation in the media, which has the 
complicated eps(f) dependence (where f is the frequency):
( eps_xx(f), eps_xy(f), eps_xz(f),
  eps_yx(f), eps_yy(f), eps_yz(f),
  eps_zx(f), eps_zy(f), eps_zz(f)) 

I've studied the meep-discuss list and the meep manual pages and 
I suppose that this type of computation is impossible with the current 
meep version, because We can set only frequency-independent part of epsilon
as a tensor with the line:
(epsilon-diag a b c) 
or
(epsilon-offdiag u v w).

Am I right about this conclusion?

Alexandr.  
Saratov State University.

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