Re: [Meep-discuss] k-vector selective detector

[matt]

Hello,

I'm interested in computing the reflection coefficients of a grating for 
each diffraction order separately.

In this message,
http://www.mail-archive.com/meep-discuss@ab-initio.mit.edu/msg00882.html

it was said that

"your best option is to accumulate the Fourier transform in time of the 
fields, by yourself in the Scheme code, for a set of points in the flux 
plane, and then use these points to compute the spatial Fourier 
transform of the fields."

This is a bit cryptic to me.  Can anyone give some further explanation 
on how to do this?

Eq. (13.7) in Taflove gives the time-dependent field amplitude for the 
m-th mode as a Fourier sum, but I don't understand how to use this with 
meep.

Thanks,
Matt





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