Hi,

I understand the idea of sending a short time pulse to get a broad spectrum.

If I look at example given, like this one 
http://ab-initio.mit.edu/wiki/index.php/Meep_Tutorial
we use the same fcen and df for the source and the computation of the spectum.

But if I plot the spectrum of the source, like show in attachement, I wonder
how result for the frequency with low power can be accurate.

I would preferably use a broader source than the spectra I want to resolve.

Am I right ?

Cheers.

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Attachment: pulsefreq.eps
Description: PostScript document

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