Hi, Steven and Meep users:
I'm wondering the definition of complex fields.
Typically, in time domain, E(r,t)=E(r)cos(wt). But how about the complex
fields?
Are they just simply represented as E(r,t)=E(r)exp(-jwt) or something else?
In addition, how to find out the eigen mode?
In tutorial, one just exited one resonant mode and saw the field pattern.
However, if the input is continuous, then the field pattern will include
the source itself. So I don't think that field pattern is real eigen mode. But
if one just turned off the source and record the field pattern after a couple
of periods, then the field will decay with time, if so, how do we get the exact
spatial distribution of eigen mode? More specifically, how can we separate the
time argument from the field pattern?
Thank you in advance.
Cheers
Adrian
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